{"id":2733,"date":"2022-01-24T10:29:48","date_gmt":"2022-01-24T03:29:48","guid":{"rendered":"https:\/\/bestray.com\/blog\/?p=2733"},"modified":"2024-02-27T16:31:48","modified_gmt":"2024-02-27T09:31:48","slug":"qcvn-12-2014-quy-chuan-ky-thuat-ve-he-thong-dien","status":"publish","type":"post","link":"https:\/\/bestray.com\/blog\/qcvn-12-2014-quy-chuan-ky-thuat-ve-he-thong-dien\/","title":{"rendered":"QCVN 12:2014 Quy chu\u1ea9n k\u1ef9 thu\u1eadt Qu\u1ed1c gia v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>QCVN 12:2014<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia quan tr\u1ecdng v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 \u1edf v\u00e0 nh\u00e0 c\u1ed9ng \u0111\u1ed3ng. Trong quy chu\u1ea9n QCVN 12:2014 n\u00e0y \u0111\u01b0a ra c\u00e1c quy \u0111\u1ecbnh y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft khi thi\u1ebft k\u1ebf M&amp;E, x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o, s\u1eeda ch\u1eefa h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 \u1edf, c\u00f4ng tr\u00ecnh c\u1ed9ng \u0111\u1ed3ng. Sau \u0111\u00e2y, Bestray s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft trong <strong>quy chu\u1ea9n QCVN 12:2014<\/strong> ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><strong>1. Quy \u0111\u1ecbnh chung v\u1ec1 quy chu\u1ea9n QCVN 12:2014<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><strong>1.1. Ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>Quy chu\u1ea9n QCVN 12:2014<\/strong> \u0111\u1ec1 ra quy \u0111\u1ecbnh v\u1ec1 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7 khi th\u1ef1c hi\u1ec7n thi\u1ebft k\u1ebf, x\u00e2y d\u1ef1ng m\u1edbi ho\u1eb7c c\u1ea3i t\u1ea1o v\u00e0 s\u1eeda ch\u1eefa h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 \u1edf v\u00e0 c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">Ch\u00fa th\u00edch: c\u1ea5p \u0111i\u1ec7n \u00e1p cao nh\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp trong QCVN 12:2014 kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1000V v\u00e0 t\u1ea7n s\u1ed1 50Hz.<\/span><\/i><\/p>\n<h3 style=\"text-align: justify;\"><strong>1.2. \u0110\u1ed1i t\u01b0\u1ee3ng \u00e1p d\u1ee5ng c\u1ee7a quy chu\u1ea9n QCVN 12:2014<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Quy chu\u1ea9n QCVN 12:2014 \u00e1p d\u1ee5ng \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c, c\u00e1 nh\u00e2n c\u00f3 li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 \u1edf, nh\u00e0 c\u00f4ng c\u1ed9ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>1.3. T\u00e0i li\u1ec7u vi\u1ec7n d\u1eabn<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong c\u00f4ng tr\u00ecnh nh\u00e0 \u1edf v\u00e0 nh\u00e0 \u1edf c\u1ed9ng \u0111\u1ed3ng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t vi\u1ec7c \u0111\u01a1n gi\u1ea3n. Do \u0111\u00f3, c\u1ea7n \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi k\u1ef9 s\u01b0 th\u1ef1c hi\u1ec7n ph\u1ea3i c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft r\u1ea5t r\u00f5 v\u1ec1 nh\u1eefng quy chu\u1ea9n c\u1ea7n thi\u1ebft, \u0111\u1eb7c bi\u1ec7t l\u00e0 quy chu\u1ea9n QCVN 12:2014. V\u00ec th\u1ebf, \u0111\u1ec3 gi\u00fap b\u1ea1n am hi\u1ec3u \u0111\u01b0\u1ee3c QCVN 12:2014 n\u00e0y th\u00ec Bestray s\u1ebd chia s\u1ebb cho b\u1ea1n nh\u1eefng t\u00e0i li\u1ec7u d\u1eabn \u0111\u1ec3 tham kh\u1ea3o, nh\u01b0 sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TCVN 9888-1:2013 (IEC 62305-1:2010) \u0111\u1ec1 ra quy \u0111\u1ecbnh v\u1ec1 &#8220;B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t &#8211; Ph\u1ea7n 1: Nguy\u00ean t\u1eafc chung&#8221;.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TCVN 9888-3:2013 (IEC 62305-3:2010) \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u v\u1ec1 &#8220;B\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t &#8211; Ph\u1ea7n 3: Thi\u1ec7t h\u1ea1i v\u1eadt ch\u1ea5t \u0111\u1ebfn k\u1ebft c\u1ea5u v\u00e0 nguy hi\u1ec3m t\u00ednh m\u1ea1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">TCVN 7447-7-710:2006 (IEC 60364-7-710:2002) y\u00eau c\u1ea7u quy \u0111\u1ecbnh v\u1ec1 &#8220;H\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n c\u1ee7a c\u00e1c t\u00f2a nh\u00e0 &#8211; Ph\u1ea7n 7-710: Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t t\u1ea1i khu v\u1ef1c \u0111\u1eb7c bi\u1ec7t &#8211; Khu v\u1ef1c y t\u1ebf.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><strong>1.4. Gi\u1ea3i th\u00edch t\u1eeb ng\u1eef<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong quy chu\u1ea9n QCVN 12:2014 bao g\u1ed3m c\u00e1c t\u1eeb, c\u1ee5m t\u1eeb d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 sau:<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.1. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a nh\u00e0 v\u00e0 nh\u00e0 c\u00f4ng c\u1ed9ng (g\u1ecdi t\u1eaft l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1eadp h\u1ee3p c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t v\u00e0 d\u00e2y d\u1eabn b\u1ea3o v\u1ec7 t\u1eeb \u0111i\u1ec3m c\u1ea5p \u0111i\u1ec7n c\u1ee7a t\u00f2a nh\u00e0 \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m ti\u00eau th\u1ee5 theo quy chu\u1ea9n QCVN 12:2014.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.2. \u0110\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1eadp h\u1ee3p c\u00e1c d\u00e2y d\u1eabn, thanh d\u1eabn, c\u00e1p v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1ec3 b\u1eaft, gi\u1eef, \u0111\u1ea7u n\u1ed1i, v\u1ecf b\u1ea3o v\u1ec7 v\u00e0 bao che (\u1ed1ng, m\u00e1ng hay h\u1ed9p).<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.3. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ed5 h\u1ee3p c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.4. M\u1ea1ch \u0111i\u1ec7n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ed5 h\u1ee3p d\u00e2y d\u1eabn v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n do m\u1ed9t \u0111\u1ea7u ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n. \u0110\u1ed3ng th\u1eddi, m\u1ea1ch \u0111i\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.5. D\u00e2y d\u1eabn \u0111i\u1ec7n c\u00f3 v\u1ecf c\u00e1ch \u0111i\u1ec7n (g\u1ecdi t\u1eaft l\u00e0 d\u00e2y d\u1eabn)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ru\u1ed9t kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n c\u00f3 v\u1ecf c\u00e1ch \u0111i\u1ec7n bao b\u00ean ngo\u00e0i.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.6. D\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00e2y d\u1eabn \u0111\u1ec3 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng bao g\u1ed3m c\u00e1c d\u00e2y pha v\u00e0 d\u00e2y trung t\u00ednh. Trong quy chu\u1ea9n QCVN 12:2014 n\u00e0y ru\u1ed9t kim lo\u1ea1i c\u1ee7a c\u00e1c d\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u0111\u1ed3ng.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.7. D\u00e2y d\u1eabn b\u1ea3o v\u1ec7 (g\u1ecdi t\u1eaft l\u00e0 d\u00e2y PE)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Theo quy chu\u1ea9n QCVN 12:2014, d\u00e2y PE n\u1ed1i v\u1edbi v\u1ecf kim lo\u1ea1i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111i\u1ec7n, ph\u1ee5 ki\u1ec7n v\u1edbi c\u1ef1c n\u1ed1i \u0111\u1ea5t t\u1ea1i n\u01a1i l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111i\u1ec7n, ho\u1eb7c v\u1edbi \u0111i\u1ec3m trung t\u00ednh \u0111\u00e3 n\u1ed1i \u0111\u1ea5t v\u1edbi ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.8. C\u00e1p \u0111i\u1ec7n (g\u1ecdi l\u00e0 c\u00e1p)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ed5 h\u1ee3p bao g\u1ed3m:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t ho\u1eb7c nhi\u1ec1u d\u00e2y d\u1eabn<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1ecf b\u1ea3o v\u1ec7 ri\u00eang cho t\u1eebng d\u00e2y d\u1eabn (c\u00f3 th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">V\u1ecf b\u1ea3o v\u1ec7 chung (c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 v\u1ecf n\u00e0y)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u00c1o gi\u00e1p \u0111\u1ec3 b\u1ea3o v\u1ec7 chung cho c\u1ea3 s\u1ee3i c\u00e1p (c\u00f3 th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng)<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u0111)\u00a0 V\u1ecf b\u1ea3o v\u1ec7 ngo\u00e0i<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.9. Thanh d\u1eabn<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 lo\u1ea1i thanh kim lo\u1ea1i d\u00f9ng \u0111\u1ec3 d\u1eabn \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.10. \u1ed0ng lu\u1ed3n d\u00e2y<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u1ed0ng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 ph\u00f9 h\u1ee3p, th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 lu\u1ed3n d\u00e2y d\u1eabn, c\u00e1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.11. H\u1ed9p lu\u1ed3n d\u00e2y<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ph\u1ee5 ki\u1ec7n c\u00f3 ch\u1ee9c n\u0103ng nh\u01b0 \u1ed1ng lu\u1ed3n d\u00e2y, nh\u01b0ng ti\u1ebft di\u1ec7n h\u00ecnh ch\u1eef nh\u1eadt, c\u00f3 n\u1eafp.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.12. T\u1ee7 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n ch\u00ednh<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ee7 ch\u1ee9a c\u00e1c thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i \u0111i\u1ec7n b\u1ed1 tr\u00ed \u1edf \u0111\u1ea7u \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n v\u00e0o nh\u00e0.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.13. T\u1ee7 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n ph\u1ee5<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ee7 ch\u1ee9a c\u00e1c thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i \u0111i\u1ec7n b\u1ed1 tr\u00ed sau t\u1ee7 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n ch\u00ednh \u0111\u1ec3 c\u1ea5p \u0111i\u1ec7n cho m\u1ed9t ph\u1ea7n nh\u00e0.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.14. Thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c \u0111\u1ed9ng l\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n nh\u1eb1m \u0111\u1eb7t nh\u1eefng m\u1ee5c \u0111\u00edch nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.15. M\u00e1y c\u1eaft \u0111i\u1ec7n (g\u1ecdi l\u00e0 m\u00e1y c\u1eaft)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3ng, c\u1eaft v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n ph\u1ee5 t\u1ea3i khi v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng v\u00e0 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.16. \u0110i\u1ec7n c\u1ef1c n\u1ed1i \u0111\u1ea5t<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n s\u1ebd \u0111\u1eb7t tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n c\u00f3 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.17. Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb c\u00f3 t\u00e1c d\u1ee5ng \u0111\u00f3ng ho\u1eb7c c\u1eaft m\u1ea1ch \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.18. B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o an to\u00e0n cho con ng\u01b0\u1eddi t\u00f9y theo c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n v\u00e0 th\u1eddi gian \u0111i qua c\u01a1 th\u1ec3 ng\u01b0\u1eddi. B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt bao g\u1ed3m nh\u1eefng lo\u1ea1i sau \u0111\u00e2y:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 ch\u00ednh: B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt khi c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 khi c\u00f3 h\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n: B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt khi c\u00e1c thi\u1ebft b\u1ecb c\u00f3 h\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 b\u1ed5 sung: Gi\u00fap b\u1ed5 sung cho b\u1ea3o v\u1ec7 ch\u00ednh v\u00e0 b\u1ea3o v\u1ec7 khi c\u00f3 h\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>1.4.19. D\u1ecbch v\u1ee5 an to\u00e0n<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00f4ng t\u00e1c c\u1ea5p \u0111i\u1ec7n \u0111\u1ec3 duy tr\u00ec s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ch\u1ee7 y\u1ebfu nh\u1eb1m b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi khi c\u00f3 nguy hi\u1ec3m b\u1ea5t ng\u1edd x\u1ea3y ra.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.20. Dao c\u00e1ch ly<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Dao c\u00e1ch ly l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i, khi \u1edf v\u1ecb tr\u00ed c\u1eaft n\u00f3 t\u1ea1o m\u1ed9t kho\u1ea3ng c\u00e1ch ly an to\u00e0n. Thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u00f3ng ho\u1eb7c c\u1eaft d\u00f2ng \u0111i\u1ec7n ph\u1ee5 t\u1ea3i nh\u01b0ng ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n ph\u1ee5 t\u1ea3i trong th\u1eddi gian d\u00e0i v\u00e0 d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch trong m\u1ed9t th\u1eddi gian ng\u1eafn theo quy \u0111\u1ecbnh QCVN 12:2014.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.21. Dao ph\u1ee5 t\u1ea3i<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Dao ph\u1ee5 t\u1ea3i l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i, c\u00f3 th\u1ec3 \u0111\u00f3ng, c\u1eaft v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n ph\u1ee5 t\u1ea3i. Thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00f3ng v\u00e0o ng\u1eafn m\u1ea1ch v\u00e0 ch\u1ecbu d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch trong m\u1ed9t th\u1eddi gian ng\u1eafn theo quy \u0111\u1ecbnh QCVN 12:2014, nh\u01b0ng s\u1ebd kh\u00f4ng c\u1eaft \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.22. D\u00f2ng \u0111i\u1ec7n d\u01b0<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u1ed5ng \u0111\u1ea1i s\u1ed1 c\u1ee7a c\u00e1c tr\u1ecb s\u1ed1 t\u1ee9c th\u1eddi d\u00f2ng \u0111i\u1ec7n \u0111i trong c\u00e1c d\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n t\u1ea1i m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh c\u1ee7a m\u1ea1ch \u0111i\u1ec7n. Khi thi\u1ebft b\u1ecb v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, d\u00f2ng \u0111i\u1ec7n d\u01b0 b\u1eb1ng t\u1ed5ng c\u00e1c d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9. Theo quy chu\u1ea9n QCVN 12:2014, trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 s\u1ef1 c\u1ed1 c\u00e1ch \u0111i\u1ec7n th\u00ec d\u00f2ng \u0111i\u1ec7n d\u01b0 s\u1ebd b\u1eb1ng d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 c\u1ed9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n r\u00f2 r\u1ec9.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.23. D\u00f2ng \u0111i\u1ec7n r\u00f2<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00f2ng \u0111i\u1ec7n \u0111i xu\u1ed1ng \u0111\u1ea5t ho\u1eb7c qua c\u00e1c ph\u1ea7n t\u1eed c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n b\u00ean ngo\u00e0i xu\u1ed1ng \u0111\u1ea5t trong khi thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.24. Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 theo d\u00f2ng \u0111i\u1ec7n d\u01b0 (g\u1ecdi t\u1eaft l\u00e0 RCD)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb RCD \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u1eaft m\u1ea1ch \u0111i\u1ec7n khi d\u00f2ng \u0111i\u1ec7n d\u01b0 t\u0103ng \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.25. Ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Con ng\u01b0\u1eddi ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t b\u1ed9 ph\u1eadn c\u00f3 \u0111i\u1ec7n th\u1ebf trong khi b\u1ed9 ph\u1eadn n\u00e0y v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.26. Th\u1ec3 t\u00edch trong t\u1ea7m v\u1edbi<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u1ec3 t\u00edch kh\u00f4ng gian b\u00ean tr\u00ean, xung quanh v\u00e0 b\u00ean d\u01b0\u1edbi m\u1ed9t b\u1ec1 m\u1eb7t m\u00e0 ng\u01b0\u1eddi \u0111ang \u0111\u1ee9ng ho\u1eb7c \u0111i qua l\u1ea1i tr\u00ean \u0111\u00f3 c\u00f3 th\u1ec3 v\u1edbi t\u1edbi \u0111\u01b0\u1ee3c b\u1eb1ng tay v\u00e0 kh\u00f4ng c\u1ea7m d\u1ee5ng c\u1ee5 g\u00ec.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.27. Ti\u1ebfp x\u00fac gi\u00e1n ti\u1ebfp<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ti\u1ebfp x\u00fac c\u1ee7a con ng\u01b0\u1eddi v\u1edbi v\u1ecf kim lo\u1ea1i thi\u1ebft b\u1ecb, khi c\u00e1ch \u0111i\u1ec7n gi\u1eefa ph\u1ea7n c\u00f3 \u0111i\u1ec7n th\u1ebf v\u00e0 v\u1ecf kim lo\u1ea1i b\u1ecb h\u01b0 h\u1ecfng.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.28. V\u1ecf kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1ed9 ph\u1eadn kim lo\u1ea1i bao b\u1ecdc b\u00ean ngo\u00e0i thi\u1ebft b\u1ecb, c\u00f3 t\u00ednh d\u1eabn \u0111i\u1ec7n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac v\u00e0o. Th\u00f4ng th\u01b0\u1eddng, v\u1ecf n\u00e0y s\u1ebd kh\u00f4ng c\u00f3 \u0111i\u1ec7n th\u1ebf nh\u01b0ng khi c\u00e1ch \u0111i\u1ec7n b\u1ecb h\u01b0 h\u1ecfng v\u1ecf n\u00e0y tr\u1edf n\u00ean c\u00f3 \u0111i\u1ec7n th\u1ebf.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.29. Thanh c\u00e1i<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thanh d\u1eabn c\u00f3 ti\u1ebft di\u1ec7n l\u1edbn.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.30. Thanh g\u00f3p<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Thanh c\u00e1i ch\u1ee9a nhi\u1ec1u m\u1ea1ch \u0111i\u1ec7n ri\u00eang r\u1ebd c\u00f3 th\u1ec3 \u0111\u1ea5u n\u1ed1i v\u00e0o.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.31. \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p (g\u1ecdi t\u1eaft l\u00e0 ELV)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n \u00e1p xoay chi\u1ec1u kh\u00f4ng l\u1edbn h\u01a1n 50V.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.32. \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p t\u00e1ch bi\u1ec7t (g\u1ecdi t\u1eaft l\u00e0 SELV)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">ELV c\u00f3 ngu\u1ed3n, d\u00e2y d\u1eabn hay thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111i\u1ec7n kh\u00f4ng n\u1ed1i v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n kh\u00e1c v\u00e0 kh\u00f4ng n\u1ed1i v\u1edbi \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>1.4.33. \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 (g\u1ecdi t\u1eaft l\u00e0 PELV)<\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">ELV c\u00f3 n\u1ed1i \u0111\u1ea5t b\u1ea3o v\u1ec7.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>1.5. C\u00e1c ch\u1eef vi\u1ebft t\u1eaft<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.1.<\/strong> ELV (Extra-Low Voltage): \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.2.<\/strong> IP (Index Protection): Ch\u1ec9 s\u1ed1 b\u1ea3o v\u1ec7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.3.<\/strong> IT: M\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.4.<\/strong> LPS (Lightning Protection System): H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.5.<\/strong> N (Neutral): D\u00e2y trung t\u00ednh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.6.<\/strong> PE (Protective Earthing): D\u00e2y d\u1eabn b\u1ea3o v\u1ec7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.7.<\/strong> PELV (Protective Extra-Low Voltage): \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.8.<\/strong> RCD (Residual Current Device): Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 d\u00f2ng \u0111i\u1ec7n d\u01b0.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.9.<\/strong> SELV (Separated Extra-Low Voltage): \u0110i\u1ec7n \u00e1p si\u00eau th\u1ea5p t\u00e1ch bi\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.10.<\/strong> SPD (Surge Protection Device): Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 \u0111i\u1ec7n \u00e1p \u0111\u1ed9t bi\u1ebfn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.11.<\/strong> TN-S: M\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>1.5.12.<\/strong> TT: M\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><strong>2. Quy \u0111\u1ecbnh v\u1ec1 k\u1ef9 thu\u1eadt<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><strong>2.1. H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/strong><\/h3>\n<h4 style=\"text-align: justify;\"><b>2.1.1. Y\u00eau c\u1ea7u chung<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t c\u00f9ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f3 li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u1ea7n ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u theo <strong>ti\u00eau chu\u1ea9n QCVN 12:2014<\/strong> \u0111\u1ea3m b\u1ea3o an to\u00e0n cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. \u0110\u1ed3ng th\u1eddi, l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ph\u1ea3i d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra, s\u1eeda ch\u1eefa v\u00e0 thay th\u1ebf khi c\u1ea7n thi\u1ebft.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.2. Y\u00eau c\u1ea7u ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t cho h\u1ec7 th\u1ed1ng d\u1eabn \u0111i\u1ec7n<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.1.<\/strong> <strong>QCVN 12:2014<\/strong> y\u00eau c\u1ea7u ph\u1ea3i \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng \u0111i\u1ec7n c\u1ee7a d\u00e2y d\u1eabn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.2.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00e1p m\u1ed9t ru\u1ed9t c\u00f3 \u00e1o gi\u00e1p b\u1ea3o v\u1ec7 b\u1eb1ng s\u1ee3i th\u00e9p ho\u1eb7c b\u1eb1ng th\u00e9p cho m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u ba pha. \u0110\u1ed3ng th\u1eddi, t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n v\u00e0 d\u00e2y PE c\u1ee7a c\u00f9ng m\u1ed9t m\u1ea1ch \u0111i\u1ec7n ba pha xoay chi\u1ec1u c\u1ea7n \u0111\u1eb7t v\u00e0o c\u00f9ng \u1ed1ng, h\u1ed9p b\u1eb1ng v\u1eadt li\u1ec7u s\u1eaft t\u1eeb.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.3.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u v\u1ec1 c\u00e1c d\u00e2y d\u1eabn c\u1ee7a m\u1ed9t m\u1ea1ch \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean nhi\u1ec1u s\u1ee3i c\u00e1p c\u00f3 nhi\u1ec1u ru\u1ed9t kh\u00e1c nhau, trong \u1ed1ng, h\u1ed9p, m\u00e1ng v\u00e0 thang c\u00e1p kh\u00e1c nhau. Ri\u00eang v\u1edbi tr\u01b0\u1eddng h\u1ee3p, c\u00e1p nhi\u1ec1u ru\u1ed9t t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ch v\u00e0 l\u1eafp \u0111\u1eb7t song song, c\u00f3 ch\u1ee9a m\u1ed9t d\u00e2y d\u1eabn c\u1ee7a m\u1ed7i pha v\u00e0 d\u00e2y trung t\u00ednh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.4.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh kh\u00f4ng cho ph\u00e9p d\u00f9ng m\u1ed9t d\u00e2y trung t\u00ednh chung cho nhi\u1ec1u m\u1ea1ch \u0111i\u1ec7n ch\u00ednh, tr\u1eeb tr\u01b0\u1eddng h\u1ee3p d\u00e2y pha v\u00e0 d\u00e2y trung t\u00ednh nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c v\u00e0 c\u00f3 thi\u1ebft b\u1ecb \u0111\u1ec3 c\u00e1ch ly t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.5.<\/strong> Khi nhi\u1ec1u m\u1ea1ch \u0111i\u1ec7n c\u00f9ng d\u1ea5u v\u00e0o m\u1ed9t h\u1ed9p \u0111\u1ea5u d\u00e2y theo ti\u00eau chu\u1ea9n QCVN 12:2014 th\u00ec c\u00e1c \u0111\u1ea7u d\u00e2y c\u1ee7a m\u1ed7i m\u1ea1ch ph\u1ea3i c\u00e1ch v\u00e1ch ng\u0103n c\u00e1ch \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.6.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i d\u00f9ng d\u00e2y m\u1ec1m \u0111\u1ec3 \u0111\u1ea5u \u0111i\u1ec7n cho thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng d\u1ecbch chuy\u1ec3n t\u1ea1m th\u1eddi. \u0110\u1ed3ng th\u1eddi, c\u1ea7n c\u00f3 \u1ed1ng m\u1ec1m \u0111\u1ec3 b\u1ea3o v\u1ec7 cho d\u00e2y m\u1ec1m.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.2.7.<\/strong> C\u00e1c d\u00e2y d\u1eabn kh\u00f4ng c\u00f3 v\u1ecf b\u1ea3o v\u1ec7 ph\u1ea3i lu\u1ed3n trong \u1ed1ng, h\u1ed9p.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.3. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u00e2y d\u1eabn \u0111i\u1ec7n theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u00ean ngo\u00e0i<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.1.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n ch\u1ed1ng c\u00e1c \u1ea3nh h\u01b0\u1edfng t\u1eeb b\u00ean ngo\u00e0i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.2.<\/strong> <strong>QCVN 12:2014<\/strong> y\u00eau c\u1ea7u ph\u1ea3i b\u1ea3o \u0111\u1ea3m cho \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n l\u00e0m vi\u1ec7c trong ph\u1ea1m v\u1ecb d\u1ea3i nhi\u1ec7t \u0111\u1ed9 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t, th\u1ea5p nh\u1ea5t t\u1ea1i n\u01a1i l\u1eafp \u0111\u1eb7t v\u00e0 kh\u00f4ng cho ph\u00e9p nhi\u1ec7t \u0111\u1ed9 qu\u00e1 gi\u1edbi h\u1ea1n khi l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 gi\u1edbi h\u1ea1n khi c\u00f3 s\u1ef1 c\u1ed1. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n theo ti\u00eau chu\u1ea9n QCVN 12:2014 ch\u1ec9 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 thao t\u00e1c t\u1ea1i nhi\u1ec7t \u0111\u1ed9 n\u1eb1m trong gi\u1edbi h\u1ea1n m\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t quy \u0111\u1ecbnh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.3.<\/strong> QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u ph\u1ea3i \u0111\u1ea3m b\u1ea3o cho h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n c\u00f3 c\u1ea5p b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi n\u01a1i l\u1eafp \u0111\u1eb7t, tr\u00e1nh t\u00ecnh tr\u1ea1ng h\u01b0 h\u1ecfng b\u1edfi n\u01b0\u1edbc ng\u01b0ng t\u1ee5 ho\u1eb7c n\u01b0\u1edbc x\u00e2m nh\u1eadp. B\u00ean c\u1ea1nh \u0111\u00f3, v\u1ecf b\u1ea3o v\u1ec7 v\u00e0 v\u1ecf c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh c\u00f2n nguy\u00ean v\u1eb9n, theo ti\u00eau chu\u1ea9n QCVN 12:2014 ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1p \u0111\u1eb7t d\u01b0\u1edbi n\u01b0\u1edbc ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.4.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u ph\u1ea3i b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n ho\u1eb7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5t \u0103n m\u00f2n, \u00f4 nhi\u1ec5m cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n. Ngo\u00e0i ra, QCVN 12:2014\u00a0 y\u00eau c\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 c\u00e1c kim lo\u1ea1i kh\u00e1c nhau c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra ph\u1ea3n \u1ee9ng \u0111i\u1ec7n ph\u00e2n ti\u1ebfp x\u00fac v\u1edbi nhau, tr\u1eeb tr\u01b0\u1eddng h\u1ee3p \u0111\u00e3 c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 tr\u00e1nh c\u00e1c h\u1eadu qu\u1ea3 c\u1ee7a s\u1ef1 ti\u1ebfp x\u00fac \u0111\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.5.<\/strong> QCVN 12:2014 \u0111\u01b0a ra c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u01b0 h\u1ecfng c\u00e1p, d\u00e2y d\u1eabn v\u00e0 c\u00e1c \u0111\u1ea7u c\u00e1p. B\u00ean c\u1ea1nh \u0111\u00f3, c\u1ea7n tr\u00e1nh t\u00e1c \u0111\u1ed9ng c\u01a1 cho d\u00e2y d\u1eabn, m\u1ed1i n\u1ed1i trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, s\u1eed d\u1ee5ng ho\u1eb7c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ch\u1ed1ng h\u01b0 h\u1ecfng \u0111\u01b0\u1eddng d\u00e2y d\u1eabn ch\u00f4n ng\u1ea7m d\u01b0\u1edbi s\u00e0n nh\u00e0, ch\u1ed1ng h\u01b0 h\u1ea1i v\u1ec1 c\u01a1 kh\u00ed c\u00e1p, thanh d\u1eabn v\u00e0 d\u00e2y d\u1eabn \u0111i qua \u0111i\u1ec3m co gi\u00e3n, xuy\u00ean qua t\u01b0\u1eddng ng\u0103n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.3.6.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng c\u00e1c ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 ch\u1ee9a silicon \u0111\u1ec3 lu\u1ed3n d\u00e2y, k\u00e9o d\u00e2y tr\u00ean m\u00e1ng ho\u1eb7c thang. B\u00ean c\u1ea1nh \u0111\u00f3, \u1ed1ng lu\u1ed3n d\u00e2y d\u1eabn \u0111\u1eb7t ng\u1ea7m trong k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng ph\u1ea3i l\u1eafp \u0111\u1eb7t ho\u00e0n ch\u1ec9nh gi\u1eefa c\u00e1c \u0111i\u1ec3m ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi d\u00e2y d\u1eabn ho\u1eb7c c\u00e1p v\u00e0o, tr\u1eeb khi c\u1ee5m \u1ed1ng \u0111i d\u00e2y s\u1eb5n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ri\u00eang cho m\u1ee5c \u0111\u00edch n\u00e0y. Ngo\u00e0i ra, QCVN 12:2014 y\u00eau c\u1ea7u b\u00e1n k\u00ednh cong k\u00e9o d\u00e2y d\u1eabn v\u00e0 c\u00e1p c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m h\u1ea1i \u0111\u1ebfn d\u00e2y d\u1eabn v\u00e0 c\u00e1p.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.4. Y\u00eau c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng t\u1ea3i c\u1ee7a d\u00f2ng \u0111i\u1ec7n<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.4.1.<\/strong> D\u00f2ng \u0111i\u1ec7n l\u1edbn nh\u1ea5t \u0111i trong d\u00e2y d\u1eabn c\u1ee7a \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n \u1edf ch\u1ebf \u0111\u1ed9 l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng trong th\u1eddi gian d\u00e0i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n QCVN 12:2014 v\u00e0 quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t d\u00e2y d\u1eabn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.4.2.<\/strong> C\u0103n c\u1ee9 v\u00e0o gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cho ph\u00e9p th\u1ea5p nh\u1ea5t c\u1ee7a s\u1ee3i trong nh\u00f3m d\u00e2y d\u1eabn (ho\u1eb7c c\u00e1p) m\u00e0 s\u1ebd c\u00f3 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c cho ph\u00e9p kh\u00e1c nhau. \u0110\u1ed3ng th\u1eddi, theo QCVN 12:2014 n\u1ebfu c\u00f9ng v\u1edbi h\u1ec7 s\u1ed1 suy gi\u1ea3m theo nh\u00f3m th\u00edch h\u1ee3p th\u00ec c\u1ea7n x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng \u0111i\u1ec7n c\u1ee7a c\u00e1c d\u00e2y d\u1eabn (ho\u1eb7c c\u00e1p) trong nh\u00f3m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.4.3.<\/strong> <strong>QCVN 12:2014<\/strong> y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ec3 ph\u00e2n b\u1ed5 d\u00f2ng \u0111i\u1ec7n t\u1ea3i gi\u1eefa c\u00e1c d\u00e2y d\u1eabn ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i c\u1ee7a d\u00e2y d\u1eabn khi hai ho\u1eb7c nhi\u1ec1u d\u00e2y d\u1eabn t\u1ea3i \u0111i\u1ec7n m\u1eafc song song. Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c d\u00e2y d\u1eabn theo ti\u00eau chu\u1ea9n QCVN 12:2014 l\u00e0m t\u1eeb c\u00f9ng m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u, c\u00f3 c\u00f9ng ti\u1ebft di\u1ec7n v\u00e0 \u0111\u1ed9 d\u00e0i x\u1ea5p x\u1ec9 nhau, kh\u00f4ng c\u00f3 m\u1ea1ch r\u1ebd.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.4.4.<\/strong> Theo quy chu\u1ea9n QCVN 12:2014 trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 ph\u00e2n b\u1ed5 d\u00f2ng \u0111i\u1ec7n ho\u1eb7c ph\u1ea3i m\u1eafc song song t\u1eeb 4 d\u00e2y d\u1eabn tr\u1edf l\u00ean th\u00ec ph\u1ea3i xem x\u00e9t \u0111\u1ebfn ph\u01b0\u01a1ng \u00e1n d\u00f9ng thanh d\u1eabn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.4.5.<\/strong> QCVN 12:2014 \u0111\u1ec1 ra quy \u0111\u1ecbnh vi\u1ec7c x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng \u0111i\u1ec7n theo ph\u1ea7n c\u1ee7a tuy\u1ebfn d\u00e2y c\u00f3 \u0111i\u1ec1u ki\u1ec7n v\u1ec1 t\u1ea3n nhi\u1ec7t, tr\u1eeb ph\u1ea7n d\u00e2y d\u1eabn xuy\u00ean qua t\u01b0\u1eddng m\u1ed9t \u0111o\u1ea1n nh\u1ecf h\u01a1n 0,35m.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.5. Y\u00eau c\u1ea7u v\u1ec1 ti\u1ebft di\u1ec7n c\u1ee7a c\u00e1c d\u00e2y d\u1eabn<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.5.1.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 quy \u0111\u1ecbnh v\u1ec1 ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y pha trong c\u00e1c m\u1ea1ch xoay chi\u1ec1u kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n c\u00e1c gi\u00e1 tr\u1ecb sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch chi\u1ebfu s\u00e1ng: 1,5 <\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch \u0111\u1ed9ng l\u1ef1c, chi\u1ebfu s\u00e1ng v\u00e0 m\u1ea1ch d\u00e0nh ri\u00eang cho \u0111\u1ed9ng l\u1ef1c 2,5 <\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ea1ch t\u00edn hi\u1ec7u, \u0111i\u1ec1u khi\u1ec3n 0,5 <\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n t\u1eeb t\u1ee7 \u0111i\u1ec7n t\u1ea7ng qua t\u1ee7 \u0111i\u1ec7n c\u0103n h\u1ed9 ho\u1eb7c ph\u00f2ng 4 <\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n tr\u1ee5c \u0111\u1ee9ng c\u1ea5p \u0111i\u1ec7n cho m\u1ed9t ho\u1eb7c m\u1ed9t s\u1ed1 t\u1ea7ng 6 <\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.1.5.2.<\/strong> Ti\u1ebft di\u1ec7n d\u00e2y trung t\u00ednh<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400;\">QCVN 12:2014 quy \u0111\u1ecbnh v\u1ec1 d\u00e2y trung t\u00ednh ph\u1ea3i c\u00f3 ti\u1ebft di\u1ec7n \u00edt nh\u1ea5t b\u1eb1ng ti\u1ebft di\u1ec7n d\u00e2y pha trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y:<br \/>\n&#8211; Trong m\u1ea1ch \u0111i\u1ec7n m\u1ed9t pha 2 d\u00e2y<br \/>\n&#8211; Trong m\u1ea1ch \u0111i\u1ec7n ba pha, ti\u1ebft di\u1ec7n c\u1ee7a lo\u1ea1i d\u00e2y pha S \u2264 16 mm2<br \/>\n&#8211; Trong m\u1ea1ch \u0111i\u1ec7n ba pha c\u00f3 s\u00f3ng h\u00e0i b\u1eadc 3 v\u00e0 b\u1ed9i s\u1ed1 l\u1ebb c\u1ee7a 3 v\u00e0 \u0111\u1ed9 m\u00e9o do c\u00e1c s\u00f3ng h\u00e0i n\u00e0y t\u1eeb 15%-33% bi\u00ean \u0111\u1ed9 c\u1ee7a d\u00f2ng \u0111i\u1ec7n t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n.<br \/>\n<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Tr\u01b0\u1eddng h\u1ee3p s\u00f3ng h\u00e0i b\u1eadc 3 v\u00e0 b\u1ed9i s\u1ed1 l\u1ebb c\u1ee7a 3 s\u1ebd g\u00e2y ra \u0111\u1ed9 l\u1ec7ch l\u1edbn h\u01a1n 33%, th\u00ec ph\u1ea3i ch\u1ecdn ti\u1ebft di\u1ec7n d\u00e2y trung t\u00ednh l\u1edbn h\u01a1n ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y pha.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">QCVN 12:2014 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n ba pha m\u00e0 ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y pha S &gt; 16<\/span><span style=\"font-weight: 400;\"> mm<\/span><span style=\"font-weight: 400;\">2<\/span> <span style=\"font-weight: 400;\">, ti\u1ebft di\u1ec7n d\u00e2y trung t\u00ednh c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n ti\u1ebft di\u1ec7n d\u00e2y pha n\u1ebfu \u0111\u00e1p \u1ee9ng \u0111\u1ed3ng th\u1eddi c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/span><\/li>\n<\/ol>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 \u0111\u1ec1 ra y\u00eau c\u1ea7u v\u1ec1 ph\u1ee5 t\u1ea3i c\u1ee7a m\u1ea1ch \u0111i\u1ec7n l\u00e0 c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c pha v\u00e0 s\u00f3ng h\u00e0i b\u1eadc 3, b\u1ed9i s\u1ed1 l\u1ebb c\u1ee7a 3 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 15% bi\u00ean \u0111\u1ed9 c\u1ee7a d\u00f2ng \u0111i\u1ec7n t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n. Trong \u0111i\u1ec1u ki\u1ec7n n\u00e0y, ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y trung t\u00ednh c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 50% ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y pha.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Lo\u1ea1i d\u00e2y trung t\u00ednh c\u1ea7n ph\u1ea3i b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 d\u00f2ng \u0111i\u1ec7n<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebft di\u1ec7n d\u00e2y trung t\u00ednh S &gt; 16<\/span><span style=\"font-weight: 400;\"> mm<\/span><span style=\"font-weight: 400;\">2<\/span><\/li>\n<\/ul>\n<h4 style=\"text-align: justify;\"><b>2.1.6. Y\u00eau c\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Theo QCVN 12:2014, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ea1i c\u00e1c s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t ngo\u00e0i c\u00e1c s\u01a1 \u0111\u1ed3 quy \u0111\u1ecbnh t\u1ea1i ph\u1ee5 l\u1ee5c \u0110.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.7. Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 s\u1ee5t \u0111i\u1ec7n \u00e1p t\u1ea1i khu v\u1ef1c ti\u00eau th\u1ee5<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">QCVN 12:2014 \u0111\u1ec1 ra y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 s\u1ee5t \u0111i\u1ec7n \u00e1p gi\u1eefa \u0111i\u1ec3m \u0111\u1ea7u c\u1ea5p \u0111i\u1ec7n so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n trong h\u1ec7 th\u1ed1ng nh\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 5% \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.1.8. Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ea7u n\u1ed1i \u0111i\u1ec7n\u00a0<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>QCVN 12:2014<\/strong> \u0111\u01b0a ra y\u00eau c\u1ea7u v\u1ec1 c\u00e1c m\u1ed1i n\u1ed1i gi\u1eefa c\u00e1c ru\u1ed9t d\u1eabn v\u1edbi nhau, \u0111i\u1ec3m \u0111\u1ea5u gi\u1eefa ru\u1ed9t d\u1eabn v\u1edbi thi\u1ebft b\u1ecb ph\u1ea3i th\u00f4ng \u0111i\u1ec7n li\u00ean t\u1ee5c, l\u00e2u d\u00e0i, \u0111\u1ed9 b\u1ec1n c\u01a1 \u0111\u1ee7, \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, ti\u1ebfp c\u1eadn d\u1ec5 d\u00e0ng \u0111\u1ec3 ki\u1ec3m tra, th\u1eed nghi\u1ec7m, b\u1ea3o tr\u00ec, lo\u1ea1i tr\u1eeb c\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u00f4n ng\u1ea7m d\u01b0\u1edbi \u0111\u1ea5t, \u0111\u1ed5 \u0111\u1ea7y h\u1ee3p ch\u1ea5t v\u00e0 m\u1ed1i n\u1ed1i gi\u1eefa d\u00e2y l\u1ea1nh v\u1edbi ph\u1ea7n t\u1eed gia nhi\u1ec7t, m\u1ed1i n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c h\u00e0n ho\u1eb7c \u00e9p. V\u00ec m\u1ed1i n\u1ed1i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 ph\u1ea3i \u0111\u00e1p \u1ee9ng QCVN 12:2014 c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, quy chu\u1ea9n QCVN 12:2014 c\u00f2n n\u00eau ra trong m\u1ee5c 2.1 n\u00e0y v\u1edbi c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nh\u01b0: \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n li\u1ec1n k\u1ec1 v\u1edbi d\u1ecbch v\u1ee5 kh\u00e1c, l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n li\u00ean quan \u0111\u1ebfn b\u1ea3o tr\u00ec v\u00e0 l\u00e0m s\u1ea1ch, l\u1eafp \u0111\u1eb7t t\u1ee7 \u0111i\u1ec7n, thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111i\u1ec7n trong nh\u00e0,&#8230; m\u00e0 c\u00e1c k\u1ef9 s\u01b0 c\u1ea7n l\u01b0u \u00fd khi ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>2.2. H\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, d\u00e2y d\u1eabn b\u1ea3o v\u1ec7<\/strong><\/h3>\n<h4 style=\"text-align: justify;\"><b>2.2.1. C\u00e1c y\u00eau c\u1ea7u chung<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.1.1.<\/strong> H\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb ch\u1ee7 y\u1ebfu l\u00e0 \u0111i\u1ec7n c\u1ef1c n\u1ed1i \u0111\u1ea5t, thanh n\u1ed1i \u0111\u1ea5t ch\u00ednh v\u00e0 c\u00e1c d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t li\u00ean k\u1ebft v\u1edbi nhau.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.1.2.<\/strong> Theo ti\u00eau chu\u1ea9n QCVN 12:2014 h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t ph\u1ea3i:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tin c\u1eady v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a QCVN 12:2014 v\u1ec1 b\u1ea3o v\u1ec7 v\u00e0 v\u1eadn h\u00e0nh l\u00e2u d\u00e0i c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng n\u00e0y c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 m\u00e0 kh\u00f4ng g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi ho\u1eb7c h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng do t\u00e1c \u0111\u1ed9ng \u0111i\u1ec7n ph\u00e2n.<\/span><\/li>\n<\/ol>\n<h4 style=\"text-align: justify;\"><b>2.2.2. Y\u00eau c\u1ea7u \u0111i\u1ec7n c\u1ef1c n\u1ed1i \u0111\u1ea5t<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.2.1.<\/strong> \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t c\u1ee7a \u0111i\u1ec7n c\u1ef1c trong h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t \u1edf \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng b\u1ea5t l\u1ee3i nh\u1ea5t th\u00ec ph\u1ea3i \u0111\u00e1p \u1ee9ng v\u1ec1 bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt theo quy \u0111\u1ecbnh QCVN 12:2014.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.2.2.<\/strong> QCVN 12:2014 kh\u00f4ng cho ph\u00e9p s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn c\u00e1c ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ch\u00e1y, n\u1ed5 l\u00e0m m\u1ed9t ph\u1ea7n c\u1ee7a \u0111i\u1ec7n c\u1ef1c n\u1ed1i \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.2.3.<\/strong> V\u1eadt li\u1ec7u v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf nh\u1ea5t cho ph\u00e9p c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed l\u00e0m \u0111i\u1ec7n c\u1ef1c n\u1ed1i \u0111\u1ea5t ph\u1ea3i \u0111\u00e1p \u1ee9ng theo quy \u0111\u1ecbnh c\u1ee7a QCVN 12:2014.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.2.3. C\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi thanh n\u1ed1i \u0111\u1ea5t ch\u00ednh<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.3.1.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 \u0111\u1ec1 ra y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t c\u00f3 s\u1eed d\u1ee5ng li\u00ean k\u1ebft b\u1ea3o v\u1ec7 th\u00ec lo\u1ea1i d\u00e2y d\u1eabn n\u1ed1i v\u1edbi thanh n\u1ed1i \u0111\u1ea5t ch\u00ednh:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y PE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y d\u1eabn c\u00f3 li\u00ean k\u1ebft v\u1edbi \u0111\u1eb3ng th\u1ebf b\u1ea3o v\u1ec7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t ch\u1ee9c n\u0103ng.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.3.2.<\/strong> Thanh n\u1ed1i \u0111\u1ea5t ch\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf khu v\u1ef1c d\u1ec5 ti\u1ebfp c\u1eadn.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.3.3.<\/strong> Thanh n\u1ed1i \u0111\u1ea5t ch\u00ednh c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng t\u00e1ch t\u1eebng d\u00e2y d\u1eabn ri\u00eang r\u1ebd kh\u1ecfi m\u1ed1i n\u1ed1i. \u0110\u1ed3ng th\u1eddi, m\u1ed1i n\u1ed1i c\u0169ng ph\u1ea3i ch\u1eafc ch\u1eafn v\u00e0 ch\u1ec9 t\u00e1ch \u0111\u01b0\u1ee3c b\u1eb1ng d\u1ee5ng c\u1ee5 chuy\u00ean d\u00f9ng.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.2.4. Y\u00eau c\u1ea7u \u0111\u1ed1i d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ti\u1ebft di\u1ec7n nh\u1ecf nh\u1ea5t cho ph\u00e9p c\u1ee7a d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t kh\u00f4ng ch\u00f4n trong \u0111\u1ea5t ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y PE \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf m\u1ee5c 2.2.5.1e. Ri\u00eang v\u1edbi tr\u01b0\u1eddng h\u1ee3p ch\u00f4n trong \u0111\u1ea5t th\u00ec ph\u1ea3i tu\u00e2n theo c\u00e1c tr\u1ecb s\u1ed1 quy \u0111\u1ecbnh QCVN 12:2014\u00a0 t\u1ea1i b\u1ea3ng 1.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u1ea3ng 1 &#8211; Ti\u1ebft di\u1ec7n nh\u1ecf nh\u1ea5t QCVN 12:2014 cho ph\u00e9p c\u1ee7a d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t ch\u00f4n trong \u0111\u1ea5t<\/b><\/p>\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td><b>D\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t<\/b><\/td>\n<td><b>C\u00f3 b\u1ea3o v\u1ec7 v\u1ec1 c\u01a1<\/b><\/td>\n<td><b>Kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 v\u1ec1 c\u01a1<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25<\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi d\u00e2y \u0111\u1ed3ng<\/span><\/p>\n<p><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi d\u00e2y th\u00e9p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">16<\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi c\u1ea3 d\u00e2y \u0111\u1ed3ng v\u00e0 d\u00e2y th\u00e9p<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/span><\/td>\n<td colspan=\"2\"><span style=\"font-weight: 400;\">25<\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi d\u00e2y \u0111\u1ed3ng<\/span><\/p>\n<p><span style=\"font-weight: 400;\">50<\/span><span style=\"font-weight: 400;\">mm<\/span><span style=\"font-weight: 400;\">2<\/span><span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi d\u00e2y th\u00e9p<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"text-align: justify;\"><b>2.2.5. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi d\u00e2y PE<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.2.5.1.<\/strong> Theo ti\u00eau chu\u1ea9n QCVN 12:2014, d\u00e2y PE ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y PE c\u1ea7n b\u1ea3o v\u1ec7 ch\u1ed1ng t\u00e1c \u0111\u1ed9ng g\u00e2y ra h\u01b0 h\u1ecfng v\u1ec1 c\u01a1, h\u00f3a v\u00e0 \u0111i\u1ec7n h\u00f3a. \u0110\u1ed3ng th\u1eddi, d\u00e2y ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c l\u1ef1c \u0111\u1ed9ng \u0111i\u1ec7n v\u00e0 t\u00e1c \u0111\u1ed9ng nhi\u1ec7t trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c theo ti\u00eau chu\u1ea9n QCVN 12:2014.\u00a0\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ean d\u00e2y PE kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed c\u00e1c m\u1ed1i n\u1ed1i, tr\u1eeb khi c\u00e1c m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 d\u00f9ng cho d\u1ee5ng c\u1ee5 chuy\u00ean d\u00f9ng \u0111\u1ec3 t\u00e1ch.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 quy \u0111\u1ecbnh kh\u00f4ng d\u00f9ng v\u1ecf kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb l\u00e0m m\u1ed9t ph\u1ea7n c\u1ee7a d\u00e2y PE cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i c\u1ee7a d\u00e2y PE ph\u1ea3i ti\u1ebfp c\u1eadn d\u1ec5 d\u00e0ng nh\u1eb1m gi\u00fap vi\u1ec7c ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n. Tr\u1eeb tr\u01b0\u1eddng h\u1ee3p c\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c b\u1ecdc k\u00edn ho\u1eb7c l\u1ea5p \u0111\u1ea7y b\u1eb1ng ch\u1ea5t \u0111\u1ed9n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khi ti\u1ebfn h\u00e0nh ki\u1ec3m tra th\u00f4ng m\u1ea1ch c\u1ee7a h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, b\u00ean thi c\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c m\u1eafc n\u1ed1i ti\u1ebfp c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng v\u00e0o d\u00e2y PE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y PE kh\u00f4ng nh\u1ecf h\u01a1n tr\u1ecb s\u1ed1 quy \u0111\u1ecbnh t\u1ea1i b\u1ea3ng 2.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><b>B\u1ea3ng 2 &#8211; Ti\u1ebft di\u1ec7n nh\u1ecf nh\u1ea5t cho ph\u00e9p c\u1ee7a d\u00e2y PE<\/b><\/p>\n<table style=\"width: 100%; height: 156px;\" border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr style=\"height: 52px;\">\n<td style=\"height: 78px;\" rowspan=\"2\"><b>Ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn pha, S <\/b><b>mm<\/b><b>2<\/b><\/td>\n<td style=\"height: 52px;\" colspan=\"2\"><b>Ti\u1ebft di\u1ec7n nh\u1ecf nh\u1ea5t m\u00e0 QCVN 12:2014 cho ph\u00e9p c\u1ee7a d\u00e2y PE t\u01b0\u01a1ng \u1ee9ng <\/b><b>mm<\/b><b>2<\/b><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\"><b>D\u00e2y PE b\u1eb1ng \u0111\u1ed3ng<\/b><\/td>\n<td style=\"height: 26px;\"><b>D\u00e2y PE b\u1eb1ng th\u00e9p<\/b><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">S <\/span><span style=\"font-weight: 400;\">\u2264 6<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">S<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">3 x S<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">16 &lt; S <\/span><span style=\"font-weight: 400;\">\u2264 35<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">16<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">3 x 16<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">S &gt; 35<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">S<\/span><span style=\"font-weight: 400;\">2<\/span><\/td>\n<td style=\"height: 26px;\"><span style=\"font-weight: 400;\">3 x <\/span><span style=\"font-weight: 400;\">S<\/span><span style=\"font-weight: 400;\">2<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: justify;\"><strong>2.3. C\u00e1ch ly, \u0111\u00f3ng c\u1eaft m\u1ea1ch \u0111i\u1ec7n v\u00e0 d\u1ecbch v\u1ee5 an to\u00e0n<\/strong><\/h3>\n<h4 style=\"text-align: justify;\"><b>2.3.1. Thi\u1ebft b\u1ecb c\u00e1ch ly v\u00e0 \u0111\u00f3ng c\u1eaft<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.1.1.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb sau \u0111\u1ec3 c\u00e1ch ly v\u00e0 \u0111\u00f3ng c\u1eaft m\u1ea1ch \u0111i\u1ec7n:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dao c\u00e1ch ly, c\u1ea7u dao v\u00e0 m\u00e1y c\u1eaft<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00edch c\u1eafm v\u00e0 \u1ed5 c\u1eafm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea7u ch\u1ea3y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c \u0111\u1ea7u n\u1ed1i chuy\u00ean d\u00f9ng<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.1.2.<\/strong> Theo ti\u00eau chu\u1ea9n QCVN 12:2014, c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111\u1ed9ng c\u1ee7a m\u1ecdi thi\u1ebft b\u1ecb c\u00e1ch ly v\u00e0 \u0111\u00f3ng c\u1eaft nhi\u1ec1u c\u1ef1c c\u1ea7n ph\u1ea3i kh\u1edbp n\u1ed1i c\u01a1 kh\u00ed gi\u00fap \u0111\u1ea3m b\u1ea3o cho vi\u1ec7c \u0111\u00f3ng m\u1edf \u0111\u1ed3ng th\u1eddi, tr\u1eeb khi nh\u1eefng ti\u1ebfp \u0111i\u1ec3m d\u00f9ng cho d\u00e2y trung t\u00ednh c\u00f3 th\u1ec3 \u0111\u00f3ng tr\u01b0\u1edbc v\u00e0 m\u1edf sau c\u00e1c ti\u1ebfp \u0111i\u1ec3m kh\u00e1c.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.1.3.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t d\u00e2y PE cho m\u1ea1ch \u0111i\u1ec7n xuy\u00ean qua m\u1ea1ch t\u1eeb c\u1ee7a RCD.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.3.2. D\u00e2y PE c\u1ee7a m\u1ea1ch \u0111i\u1ec7n<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.2.1.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh kh\u00f4ng cho ph\u00e9p l\u1eafp \u0111\u1eb7t d\u00e2y PE c\u1ee7a m\u1ea1ch \u0111i\u1ec7n xuy\u00ean qua m\u1ea1ch t\u1eeb c\u1ee7a RCD.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.2.2.<\/strong> C\u00e1c y\u00eau c\u1ea7u kh\u00e1c c\u00f3 li\u00ean quan \u0111\u1ebfn d\u00e2y PE th\u1ef1c hi\u1ec7n theo quy \u0111\u1ecbnh t\u1ea1i m\u1ee5c 2.2.5. trong ti\u00eau chu\u1ea9n QCVN 12:2014\u00a0<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.3.3. Y\u00eau c\u1ea7u v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i RCD<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.3.1.<\/strong> Theo QCVN 12:2014 \u0111\u1ed1i v\u1edbi lo\u1ea1i RCD ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch ly \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y d\u1eabn \u0111ang c\u00f3 \u0111i\u1ec7n c\u1ee7a m\u1ea1ch m\u00e0 n\u00f3 b\u1ea3o v\u1ec7.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.3.2.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng RCD lo\u1ea1i t\u00e1c \u0111\u1ed9ng b\u1eb1ng d\u00f2ng \u0111i\u1ec7n, kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng RCD lo\u1ea1i t\u00e1c \u0111\u1ed9ng b\u1eb1ng \u0111i\u1ec7n \u00e1p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.3.3.<\/strong> QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u khi th\u1ef1c hi\u1ec7n l\u1eafp \u0111\u1eb7t RCD cho m\u1ea1ch ba pha kh\u00f4ng c\u00f3 ph\u1ee5 t\u1ea3i ba pha, ph\u1ea3i s\u1eed d\u1ee5ng RCD cho t\u1eebng pha nh\u1eb1m gi\u00fap gi\u1ea3m ph\u1ea1m vi m\u1ea5t \u0111i\u1ec7n khi x\u1ea3y ra s\u1ef1 c\u1ed1 \u1edf c\u00e1c pha ri\u00eang bi\u1ec7t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.3.4.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng RCD c\u00f3 d\u00f2ng l\u00e0m vi\u1ec7c kh\u00f4ng qua 30mA l\u00e0m \u0111i\u1ec7n \u1edf nh\u1eefng m\u1ea1ch \u0111i\u1ec7n c\u00f3 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u1ea7m tay.\u00a0<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.3.4. Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 theo d\u00f2ng ng\u1eafn m\u1ea1ch<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.4.1.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 kh\u00f4ng nh\u1ecf h\u01a1n d\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c l\u00e2u d\u00e0i l\u1edbn nh\u1ea5t c\u1ee7a m\u1ea1ch \u0111i\u1ec7n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.3.4.2.<\/strong> Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft \u0111\u01b0\u1ee3c d\u00f2ng ng\u1eafn m\u1ea1ch l\u1edbn nh\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, quy chu\u1ea9n QCVN 12:2014 c\u00f2n \u0111\u1ec1 ra trong m\u1ee5c 2.3 n\u00e0y y\u00eau c\u1ea7u c\u00e1ch ly, \u0111\u00f3ng c\u1eaft m\u1ea1ch \u0111i\u1ec7n v\u00e0 d\u1ecbch v\u1ee5 an to\u00e0n kh\u00e1c nh\u01b0: C\u1eaft \u0111i\u1ec7n kh\u1ea9n c\u1ea5p, Ngu\u1ed3n \u0111i\u1ec7n d\u00f9ng cho d\u1ecbch v\u1ee5 an to\u00e0n,&#8230; m\u00e0 b\u1ea1n c\u1ea7n l\u01b0u \u00fd trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t cho c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>2.4. B\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt<\/strong><\/h3>\n<h4 style=\"text-align: justify;\"><b>2.4.1. Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt b\u1edfi s\u1ef1 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.1.1.<\/strong> QCVN 12:2014 \u0111\u01b0a ra quy \u0111\u1ecbnh v\u1ec1 bao b\u1ecdc ho\u00e0n to\u00e0n c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n b\u1eb1ng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n sao cho ch\u1ec9 th\u00e1o g\u1ee1 ra \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch ph\u00e1 h\u1ee7y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.1.2.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i d\u00f9ng r\u00e0o ch\u1eafn ho\u1eb7c v\u1ecf b\u1ecdc l\u1eafp c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n c\u01a1, \u0111\u01b0\u1ee3c c\u00e1ch ly v\u1edbi c\u00e1c ph\u1ea7n \u0111i\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, theo ti\u00eau chu\u1ea9n QCVN 12:2014 ph\u1ea3i x\u00e9t \u0111\u1ebfn c\u00e1c \u1ea3nh h\u01b0\u1edfng t\u1eeb b\u00ean ngo\u00e0i v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ebfn d\u1ee5ng c\u1ee5 ho\u1eb7c ch\u00eca kh\u00f3a m\u1edbi c\u00f3 th\u1ec3 th\u00e1o ra v\u00e0 c\u00f3 c\u1ea5p b\u1ea3o v\u1ec7 th\u1ea5p nh\u1ea5t l\u00e0 IPXXB ho\u1eb7c IP2X nh\u1eb1m gi\u00fap ng\u0103n ng\u1eeba m\u1ecdi ti\u1ebfp x\u00fac c\u1ee7a con ng\u01b0\u1eddi, v\u1eadt nu\u00f4i v\u1edbi ph\u1ea7n c\u00f3 \u0111i\u1ec7n.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>QCVN 12:2014<\/strong> trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 nh\u1eefng l\u1ed7 m\u1edf \u0111\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n thi\u1ebft b\u1ecb th\u00ec ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ng\u0103n ng\u1eeba ti\u1ebfp x\u00fac v\u00f4 \u00fd v\u1edbi ph\u1ea7n c\u00f3 \u0111i\u1ec7n, \u0111\u1ed3ng th\u1eddi ph\u1ea3i c\u00f3 c\u1ea3nh b\u00e1o \u0111\u1ec3 tr\u00e1nh ch\u1ea1m ph\u1ea3i ph\u1ea7n c\u00f3 \u0111i\u1ec7n.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.4.2. Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt b\u1edfi s\u1ef1 ti\u1ebfp x\u00fac gi\u00e1n ti\u1ebfp<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.1.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111i\u1ec7n \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng c\u1eaft m\u1ea1ch \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.2.<\/strong> \u0110\u1ed1i v\u1edbi s\u01a1 \u0111\u1ed3 TT v\u00e0 TN-S ph\u1ea3i l\u1eafp \u0111\u1eb7t RCD \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng s\u1ef1 c\u1ed1 ch\u1ea1m v\u1ecf.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.3.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o an to\u00e0n \u0111\u1ec3 tr\u00e1nh b\u1ecb tai n\u1ea1n \u0111i\u1ec7n gi\u1eadt \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n.<\/span><\/p>\n<p style=\"text-align: justify;\"><em><strong>\u00a0RA x Ia \u2264 50<\/strong><\/em><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong \u0111\u00f3:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R<\/span><span style=\"font-weight: 400;\">A<\/span><span style=\"font-weight: 400;\"> l\u00e0 \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t, t\u00ednh b\u1eb1ng (<\/span><span style=\"font-weight: 400;\">\u03a9)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">I<\/span><span style=\"font-weight: 400;\">a<\/span><span style=\"font-weight: 400;\"> l\u00e0 d\u00f2ng \u0111i\u1ec7n t\u00e1c \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, t\u00ednh b\u1eb1ng (A)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">50 l\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p an to\u00e0n, t\u00ednh b\u1eb1ng (V)<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.4.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh ph\u1ea3i n\u1ed1i v\u1ecf kim lo\u1ea1i c\u1ee7a thi\u1ebft b\u1ecb v\u1edbi d\u00e2y PE theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh cho t\u1eebng lo\u1ea1i s\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.5.<\/strong> QCVN 12:2014 quy \u0111\u1ecbnh ph\u1ea3i n\u1ed1i li\u00ean k\u1ebft \u0111\u1eb3ng th\u1ebf b\u1ea3o v\u1ec7 c\u1ee7a nh\u00e0 v\u1edbi d\u00e2y PE, d\u00e2y d\u1eabn n\u1ed1i \u0111\u1ea5t, c\u1ef1c n\u1ed1i \u0111\u1ea5t ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed d\u1eabn \u0111i\u1ec7n b\u00ean ngo\u00e0i. \u0110\u1ed3ng th\u1eddi, d\u00e2y d\u1eabn d\u00f9ng \u0111\u1ec3 li\u00ean k\u1ebft \u0111\u1eb3ng th\u1ebf b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi quy \u0111\u1ecbnh QCVN 12:2014.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.6.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 b\u1ea3o v\u1ec7 t\u1ef1 \u0111\u1ed9ng c\u1eaft m\u1ea1ch \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra \u1edf hai \u0111i\u1ec3m tr\u00ean hai d\u00e2y n\u1ed1i v\u1edbi c\u00e1c c\u1ef1c \u0111\u1ea5u d\u00e2y kh\u00e1c nhau c\u1ee7a ngu\u1ed3n s\u1ebd \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 \u1edf b\u1ea3ng 3 d\u01b0\u1edbi d\u00e2y.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u1ea3ng 3 &#8211; Th\u1eddi gian c\u1eaft l\u1edbn nh\u1ea5t c\u1ee7a c\u00e1c m\u1ea1ch cu\u1ed1i c\u00f3 d\u00f2ng \u0111i\u1ec7n danh \u0111\u1ecbnh kh\u00f4ng qu\u00e1 32A<\/b><\/p>\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td><b>\u0110i\u1ec7n \u00e1p danh \u0111inh, U<\/b><\/p>\n<p><b>S\u01a1 \u0111\u1ed3 n\u1ed1i \u0111\u1ea5t<\/b><\/td>\n<td><span style=\"font-weight: 400;\">50 &lt; U <\/span><span style=\"font-weight: 400;\">\u2264 <\/span><span style=\"font-weight: 400;\">120<\/span><\/td>\n<td><span style=\"font-weight: 400;\">120 &lt; U <\/span><span style=\"font-weight: 400;\">\u2264 <\/span><span style=\"font-weight: 400;\">230<\/span><\/td>\n<td><span style=\"font-weight: 400;\">230 &lt; U <\/span><span style=\"font-weight: 400;\">\u2264 <\/span><span style=\"font-weight: 400;\">400<\/span><\/td>\n<td><span style=\"font-weight: 400;\">U &gt; 400<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,07<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,04<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">TN-S<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,2<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,1<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.4.2.7.<\/strong> Ti\u00eau chu\u1ea9n QCVN 12:2014 y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ec3 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111i\u1ec7n v\u00e0 RCD l\u00e0m vi\u1ec7c c\u00f3 hi\u1ec7u qu\u1ea3.\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>2.5. B\u1ea3o v\u1ec7 ch\u1ed1ng t\u00e1c \u0111\u1ed9ng nhi\u1ec7t<\/strong><\/h3>\n<h4 style=\"text-align: justify;\"><b>2.5.1. Y\u00eau c\u1ea7u chung<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>QCVN 12:2014<\/strong> y\u00eau c\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n \u0111\u1ec3 b\u1ea3o v\u1ec7 con ng\u01b0\u1eddi, v\u1eadt nu\u00f4i, thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh, c\u00e1c d\u1ee5ng c\u1ee5 v\u00e0 v\u1eadt li\u1ec7u \u0111\u1eb7t \u1edf c\u1ea1nh c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n, d\u00e2y d\u1eabn \u0111i\u1ec7n. Theo QCVN 12:2014 nh\u1eb1m gi\u00fap ch\u1ed1ng c\u00e1c h\u1eadu qu\u1ea3 c\u00f3 h\u1ea1i do nhi\u1ec7t t\u1eeb thi\u1ebft b\u1ecb \u0111i\u1ec7n, d\u00e2y d\u1eabn \u0111i\u1ec7n g\u00e2y ra ho\u1eb7c b\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0m b\u1ed1c ch\u00e1y, h\u01b0 h\u1ecfng, c\u00f3 nguy c\u01a1 g\u00e2y b\u1ecfng ho\u1eb7c t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn v\u1eadn h\u00e0nh an to\u00e0n.\u00a0\u00a0<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.5.2. Y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y do thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 d\u00e2y d\u1eabn \u0111i\u1ec7n g\u00e2y ra<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.5.2.1.<\/strong> QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t g\u00e2y ra s\u1ef1 c\u1ed1 ch\u00e1y cho c\u00e1c v\u1eadt li\u1ec7u, v\u1eadt d\u1ee5ng li\u1ec1n k\u1ec1 khi thi\u1ebft k\u1ebf, l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh ph\u1ea3i tu\u00e2n th\u1ee7 m\u1ed9t trong c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1eb7t \u1edf tr\u00ean b\u1ec7 ho\u1eb7c trong v\u1ecf l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u c\u00f3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 m\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u00f3 kh\u00f4ng g\u00e2y ra ch\u00e1y, c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p v\u00e0 \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n c\u01a1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i c\u00e1ch ly kh\u1ecfi c\u00e1c v\u1eadt li\u1ec7u, v\u1eadt d\u1ee5ng li\u1ec1n k\u1ec1 ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed kh\u00e1c b\u1eb1ng v\u1eadt ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 m\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u00f3 t\u1ea1o ra, kh\u00f4ng ch\u00e1y, \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p v\u00e0 chi\u1ec1u d\u00e0y \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n c\u01a1.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ed1ng ch\u00e1y c\u1ea7n \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch \u0111\u1ee7 l\u1edbn \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec1n k\u1ec1 ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed kh\u00e1c cho ph\u00e9p t\u1ecfa nhi\u1ec7t an to\u00e0n. Theo ti\u00eau chu\u1ea9n QCVN 12:2014 t\u1ea5t c\u1ea3 ph\u01b0\u01a1ng ti\u1ec7n gi\u00fap \u0111\u1ee1 thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.5.2.2.<\/strong> QCVN 12:2014 \u0111\u1ec1 ra y\u00eau c\u1ea7u thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra t\u00edch t\u1ee5 nhi\u1ec7t c\u1ea7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u1ee7 l\u1edbn \u0111\u1ebfn c\u00e1c v\u1eadt \u1edf li\u1ec1n k\u1ec1 ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a nh\u00e0 trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, kh\u00f4ng t\u1ea1o ra nhi\u1ec7t g\u00e2y nguy hi\u1ec3m cho c\u00e1c v\u1eadt v\u00e0 ph\u1ea7n t\u1eed c\u1ee7a nh\u00e0.<\/span><\/p>\n<h4 style=\"text-align: justify;\"><b>2.5.3. Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o v\u1ec7 ch\u1ed1ng qu\u00e1 nhi\u1ec7t \u1edf n\u01a1i t\u1ea1o nhi\u1ec7t<\/b><\/h4>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.5.5.1.<\/strong> C\u00e1c h\u1ec7 th\u1ed1ng s\u1ea5y n\u00f3ng kh\u00f4ng kh\u00ed c\u01b0\u1ee1ng b\u1ee9c theo ti\u00eau chu\u1ea9n QCVN 12:2014 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ea7n t\u1eed gia nhi\u1ec7t kh\u00f4ng thu\u1ed9c b\u1ed9 t\u00edch nhi\u1ec7t trung t\u00e2m, kh\u00f4ng cho ph\u00e9p ho\u1ea1t \u0111\u1ed9ng n\u1ebfu v\u1eabn ch\u01b0a c\u00f3 lu\u1ed3ng kh\u00f4ng kh\u00ed \u0111\u00fang quy \u0111\u1ecbnh \u0111i qua v\u00e0 ph\u1ea3i c\u1eaft khi lu\u1ed3ng kh\u00f4ng kh\u00ed kh\u00f4ng \u0111\u1ee7 theo quy \u0111\u1ecbnh c\u1ee7a QCVN 12:2014.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi hai thi\u1ebft b\u1ecb kh\u1ed1ng ch\u1ebf nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp nhau c\u1ea7n ph\u1ea3i ng\u0103n ng\u1eeba nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00f4ng kh\u00ed n\u00f3ng.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.5.5.2.<\/strong> QCVN 12:2014 \u0111\u01b0a ra y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi khung, v\u1ecf c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed gia nhi\u1ec7t ph\u1ea3i l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u kh\u00f4ng ch\u00e1y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>2.5.5.3.<\/strong> Thi\u1ebft b\u1ecb t\u1ea1o n\u01b0\u1edbc n\u00f3ng ho\u1eb7c h\u01a1i n\u00f3ng c\u00f3 h\u1ea1n ch\u1ebf \u0111\u1ea7u ra ph\u1ea3i c\u00f3 th\u00eam c\u01a1 c\u1ea5u kh\u1ed1ng ch\u1ebf \u00e1p su\u1ea5t n\u01b0\u1edbc \u1edf b\u00ean trong theo QCVN 12:2014.\u00a0\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh \u0111\u00f3, QCVN 12:2014 c\u00f2n n\u00eau ra m\u1ed9t s\u1ed1 n\u1ed9i dung kh\u00e1c c\u1ee7a quy \u0111\u1ecbnh v\u1ec1 k\u1ef9 thu\u1eadt nh\u01b0 vi\u1ec7c trang b\u1ecb \u0111i\u1ec7n, \u0111\u1ea7u n\u1ed1i ngu\u1ed3n, ch\u1ed1ng qu\u00e1 d\u00f2ng \u0111i\u1ec7n, nhi\u1ec5u \u0111i\u1ec7n, ch\u1ed1ng s\u00e9t,&#8230; \u0111\u1ec3 gi\u00fap \u0111\u1ed9i thi c\u00f4ng ti\u1ebfn h\u00e0nh \u0111\u00fang theo quy \u0111\u1ecbnh m\u00e0 nh\u00e0 n\u01b0\u1edbc ban h\u00e0nh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Chi ti\u1ebft v\u1ec1 quy chu\u1ea9n QCVN 12:2014, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam th\u00f4ng tin trong file \u0111\u00ednh k\u00e8m b\u00ean d\u01b0\u1edbi:\u00a0\u00a0\u00a0\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><strong><a href=\"https:\/\/rangdong.com.vn\/uploads\/Tai_lieu_chieu_sang\/QCVN12_2014_BXD_912596.pdf\" target=\"_blank\" rel=\"noopener\"><i>https:\/\/rangdong.com.vn\/uploads\/Tai_lieu_chieu_sang\/QCVN12_2014_BXD_912596.pdf<\/i><\/a><\/strong><\/p>\n<h2 style=\"text-align: justify;\"><strong>3. Quy \u0111\u1ecbnh v\u1ec1 ki\u1ec3m tra<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><strong>3.1. C\u00e1c y\u00eau c\u1ea7u chung<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.1.1.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 ph\u1ea3i ti\u1ebfn h\u00e0nh ki\u1ec3m tra tr\u01b0\u1edbc khi nghi\u1ec7m thu \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng v\u00e0 ki\u1ec3m tra y\u00eau c\u1ea7u b\u1ea3o tr\u00ec.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.1.2.<\/strong> Trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n ki\u1ec3m tra theo QCVN 12:2014 c\u1ea7n ph\u1ea3i c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p b\u1ea3o \u0111\u1ea3m an to\u00e0n cho c\u1ea3 ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.1.3.<\/strong> Vi\u1ec7c ki\u1ec3m tra tu\u00e2n th\u1ee7 theo ti\u00eau chu\u1ea9n QCVN 12:2014 th\u1ef1c hi\u1ec7n theo hai b\u01b0\u1edbc nh\u01b0 sau:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra tr\u1ef1c quan<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ec3m tra b\u1eb1ng th\u1eed nghi\u1ec7m<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.1.4.<\/strong> Sau khi k\u1ebft th\u00fac c\u00f4ng vi\u1ec7c, ng\u01b0\u1eddi ki\u1ec3m tra ph\u1ea3i k\u00fd v\u00e0o v\u0103n b\u1ea3n x\u00e1c nh\u1eadn k\u1ebft qu\u1ea3 ki\u1ec3m tra.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong>3.2. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ki\u1ec3m tra tr\u1ef1c quan<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.2.1.<\/strong> Ki\u1ec3m tra tr\u1ef1c quan trong QCVN 12:2014 ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong t\u00ecnh tr\u1ea1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 kh\u00f4ng c\u00f3 \u0111i\u1ec7n v\u00e0 tr\u01b0\u1edbc khi ki\u1ec3m tra b\u1eb1ng th\u1eed nghi\u1ec7m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.2.2.<\/strong> Ki\u1ec3m tra tr\u1ef1c quan ph\u1ea3i tu\u00e2n th\u1ee7 theo c\u00e1c n\u1ed9i dung c\u1ee7a QCVN 12:2014, nh\u01b0 sau:\u00a0<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tu\u00e2n th\u1ee7 c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o \u0111\u1ea3m an to\u00e0n ch\u1ed1ng ch\u00e1y lan.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn l\u1ef1a v\u00e0 l\u1eafp \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, gi\u00e1m s\u00e1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn l\u1ef1a v\u00e0 l\u1eafp \u0111\u1eb7t d\u00e2y d\u1eabn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ecdn l\u1ef1a v\u00e0 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 c\u00e1ch ly.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb v\u00e0 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p v\u1edbi c\u00e1c \u1ea3nh h\u01b0\u1edfng b\u00ean ngo\u00e0i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">QCVN 12:2014 y\u00eau c\u1ea7u nh\u1eadn d\u1ea1ng \u0111\u00fang d\u00e2y trung t\u00ednh (d\u00e2y N) v\u00e0 d\u00e2y PE.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ean t\u1ee7 \u0111i\u1ec7n ph\u1ea3i c\u00f3 c\u00e1c s\u01a1 \u0111\u1ed3 c\u00f9ng v\u1edbi c\u00e1c th\u00f4ng tin c\u1ea7n thi\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebfn h\u00e0nh ki\u1ec3m tra t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c m\u1ed1i \u0111\u1ea5u, n\u1ed1i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1ef1 c\u00f3 m\u1eb7t \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ph\u00f9 h\u1ee3p c\u1ee7a d\u00e2y PE, bao g\u1ed3m c\u1ea3 c\u00e1c v\u00f2ng \u0111\u1eb3ng th\u1ebf ch\u00ednh v\u00e0 ph\u1ee5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Xem x\u00e9t kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn \u0111\u1ec3 thao t\u00e1c v\u00e0 b\u1ea3o tr\u00ec.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft m\u1ed9t c\u1ef1c kh\u00f4ng l\u1eafp \u0111\u1eb7t tr\u00ean d\u00e2y N.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vi\u1ec7c l\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t LPS.<\/span><\/li>\n<\/ol>\n<h3 style=\"text-align: justify;\"><strong>3.3. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ki\u1ec3m tra th\u1eed nghi\u1ec7m<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.1.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ph\u1ea3i ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m theo nh\u1eefng n\u1ed9i dung ch\u1ee7 y\u1ebfu nh\u01b0 sau:<\/span><\/p>\n<ol style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u00e2y PE, m\u1ea1ch \u0111\u1eb3ng th\u1ebf ch\u00ednh v\u00e0 ph\u1ee5.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng nh\u00e0.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1eb1ng m\u1ea1ch \u0111i\u1ec7n t\u00e1ch bi\u1ec7t, ngu\u1ed3n SELV ho\u1eb7c PELV.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m v\u1ec1 \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a s\u00e0n v\u00e0 t\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1ed5 sung b\u1eb1ng RCD \u0111\u1ed9 nh\u1ea1y cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ef1 \u0111\u1ed9ng c\u1eaft ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1ee9 t\u1ef1 pha.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eed nghi\u1ec7m ch\u1ee9c n\u0103ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t c\u1ee7a LPS.<\/span><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.2.<\/strong> Theo ti\u00eau chu\u1ea9n QCVN 12:2014, n\u1ebfu c\u00f3 k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m m\u00e0 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u th\u00ec ph\u1ea3i t\u00ecm v\u00e0 s\u1eeda ch\u1eefa sai s\u00f3t. Sau \u0111\u00f3 th\u1eed nghi\u1ec7m l\u1ea1i, k\u1ec3 c\u1ea3 nh\u1eefng th\u1eed nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3 m\u00e0 k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.3.<\/strong> QCVN 12:2014 y\u00eau c\u1ea7u ch\u00fang ta c\u1ea7n th\u1eed nghi\u1ec7m t\u00ednh li\u00ean t\u1ee5c c\u1ee7a d\u00e2y PE, bao g\u1ed3m c\u1ea3 m\u1ea1ch v\u00f2ng \u0111\u1eb3ng th\u1ebf ch\u00ednh, ph\u1ee5 b\u1eb1ng ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ho\u1eb7c xoay chi\u1ec1u.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.4.<\/strong> Ti\u1ebfn h\u00e0nh \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n gi\u1eefa c\u00e1c d\u00e2y t\u1ea3i \u0111i\u1ec7n t\u1eebng \u0111\u00f4i m\u1ed9t v\u00e0 t\u1eebng d\u00e2y t\u1ea3i \u0111i\u1ec7n v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0, k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n tr\u1ecb s\u1ed1 quy \u0111\u1ecbnh \u1edf b\u1ea3ng 6.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>B\u1ea3ng 6 &#8211; \u0110i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n th\u1ea5p nh\u1ea5t cho ph\u00e9p<\/b><\/p>\n<table border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td><b>\u0110i\u1ec7n \u00e1p danh \u0111\u1ecbnh c\u1ee7a m\u1ea1ch \u0111i\u1ec7n<\/b><\/p>\n<p><b>V<\/b><\/td>\n<td><b>\u0110i\u1ec7n \u00e1p th\u1eed nghi\u1ec7m<\/b><\/p>\n<p><b>V<\/b><\/td>\n<td><b>\u0110i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n th\u1ea5p nh\u1ea5t m\u00e0 QCVN 12:2014\u00a0 cho ph\u00e9p\u00a0<\/b><\/p>\n<p><b>M<\/b><b>\u03a9<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u2264 <\/span><span style=\"font-weight: 400;\">50<\/span><\/td>\n<td><span style=\"font-weight: 400;\">250<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,5<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u1eeb 50 \u0111\u1ebfn 500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">500<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1,0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.5.<\/strong> Ch\u00fang ta c\u1ea7n ph\u1ea3i th\u1eed nghi\u1ec7m bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1eb1ng ELV v\u00e0 m\u1ea1ch \u0111i\u1ec7n t\u00e1ch bi\u1ec7t. Theo ti\u00eau chu\u1ea9n QCVN 12:2014 ph\u1ea3i ti\u1ebfn h\u00e0nh b\u1eb1ng c\u00e1ch \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n gi\u1eefa m\u1ea1ch \u0111i\u1ec7n ELV ho\u1eb7c m\u1ea1ch \u0111i\u1ec7n t\u00e1ch bi\u1ec7t \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea5u c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n kh\u00e1c v\u00e0 \u0111\u1ea5t.\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>3.3.6.<\/strong> Theo ti\u00eau chu\u1ea9n QCVN 12:2014 ph\u1ea3i s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111o \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n c\u1ee7a s\u00e0n v\u00e0 t\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n, k\u1ebft qu\u1ea3 \u0111o ph\u1ea3i l\u1edbn h\u01a1n 5<\/span><span style=\"font-weight: 400;\">0<\/span><span style=\"font-weight: 400;\">\u03a9.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><strong>4. T\u1ed5ng k\u1ebft\u00a0<\/strong><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0 v\u1eady, c\u00f3 th\u1ec3 th\u1ea5y quy chu\u1ea9n <strong>QCVN 12:2014<\/strong> g\u00f3p ph\u1ea7n r\u1ea5t l\u1edbn cho c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng mang t\u00ednh b\u1ec1n v\u1eefng theo th\u1eddi gian. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng quy chu\u1ea9n QCVN 12:2014 v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u00e0y th\u00ec b\u00ean thi c\u00f4ng c\u1ea7n c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e1ng c\u00e1p b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, \u0111\u1ea3m b\u1ea3o an to\u00e0n cho c\u1ea3 ng\u01b0\u1eddi v\u00e0 v\u1eadt. \u0110\u1ed3ng th\u1eddi, h\u1ec7 th\u1ed1ng m\u00e1ng c\u00e1p \u0111\u00f3 c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i nh\u01b0: ch\u1ed1ng s\u00e9t, ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n, ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt,&#8230;<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/bestray.com\/\" target=\"_blank\" rel=\"noopener\"><strong>C\u00f4ng ty c\u1ed5 ph\u1ea7n Bestray<\/strong><\/a> l\u00e0 \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t v\u00e0 ph\u00e2n ph\u1ed1i<strong> <a href=\"https:\/\/bestray.com\/cable-management\/mang-cap\/\">m\u00e1ng c\u00e1p<\/a><\/strong>,<strong> <a href=\"https:\/\/bestray.com\/cable-management\/thang-cap\/\">thang c\u00e1p<\/a>, <a href=\"https:\/\/bestray.com\/cable-management\/khay-cap\/\" target=\"_blank\" rel=\"noopener\">khay c\u00e1p<\/a><\/strong>\u00a0v\u00e0 <strong><a href=\"https:\/\/bestray.com\/blog\/lua-chon-phu-kien-mang-cap\/\" target=\"_blank\" rel=\"noopener\">ph\u1ee5 ki\u1ec7n m\u00e1ng c\u00e1p \u0111i\u1ec7n<\/a><\/strong>\u00a0\u0111i k\u00e8m cho h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng tr\u00ecnh v\u1edbi quy m\u00f4 l\u1edbn nh\u1ecf trong n\u01b0\u1edbc. H\u01a1n n\u1eefa, ch\u00fang t\u00f4i lu\u00f4n c\u1ea3i ti\u1ebfn kh\u00f4ng ng\u1eebng v\u1ec1 s\u1ea3n ph\u1ea9m thang m\u00e1ng c\u00e1p c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ch\u1eafc ch\u1eafn v\u00e0 \u0111a d\u1ea1ng m\u1eabu m\u00e3 nh\u1eb1m \u0111\u00e1p \u1ee9ng m\u1ecdi y\u00eau c\u1ea7u t\u1eeb c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, khu c\u00f4ng nghi\u1ec7p, x\u01b0\u1edfng s\u1ea3n xu\u1ea5t,&#8230; N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t \u0111\u01a1n v\u1ecb s\u1ea3n xu\u1ea5t uy t\u00edn, cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng 100% th\u00ec Bestray ch\u00ednh l\u00e0 n\u01a1i m\u00e0 b\u1ea1n n\u00ean c\u00e2n nh\u1eafc.<\/span><\/p>\n<p><strong>M\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh v\u1ec1 s\u1ea3n ph\u1ea9m c\u1ee7a Bestray<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2761 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22.jpg\" alt=\"QCVN 12:2014\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-22-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2762 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24.jpg\" alt=\"QCVN 12:2014\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-24-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2763 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43.jpg\" alt=\"\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-43-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2764 size-full\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48.jpg\" alt=\"QCVN 12:2014\" width=\"1778\" height=\"1000\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48.jpg 1778w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-300x169.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-1024x576.jpg 1024w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-768x432.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-1536x864.jpg 1536w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-696x391.jpg 696w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2022\/01\/Mang-Luoi-A77-48-1068x601.jpg 1068w\" sizes=\"auto, (max-width: 1778px) 100vw, 1778px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n<h2><strong>C\u00f4ng Ty C\u1ed5 Ph\u1ea7n Bestray &#8211; Chuy\u00ean S\u1ea3n Xu\u1ea5t Thang M\u00e1ng C\u00e1p (Cable Tray, <\/strong><strong>Cable <\/strong><strong>Trunking)<\/strong><\/h2>\n<ul>\n<li><span style=\"font-size: 20px;\">\u0110\u1ecba ch\u1ec9: 180\/7b, \u1ea5p T\u00e2n Th\u1edbi 3, x\u00e3 T\u00e2n Hi\u1ec7p, huy\u1ec7n H\u00f3c M\u00f4n, TPHCM<\/span><\/li>\n<li><span style=\"font-size: 20px;\">\u0110i\u1ec7n Tho\u1ea1i: (028) 3713 3076 &#8211; 078 453 1668 &#8211; 0909 089 678<\/span><\/li>\n<li><span style=\"font-size: 20px;\">E-mail: sales@bestray<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5197\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2024\/02\/Thang-Mang-Cap-Bestray-Chat-Luong-Cao-\u2013-Giai-Phap-Bao-Ve-An-Toan-Cho-He-Thong-Dien-1.gif\" alt=\"thang m\u00e1ng c\u00e1p\" width=\"1080\" height=\"1080\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>QCVN 12:2014 l\u00e0 m\u1ed9t trong nh\u1eefng quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia quan tr\u1ecdng v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 \u1edf v\u00e0 nh\u00e0 c\u1ed9ng \u0111\u1ed3ng. Trong quy chu\u1ea9n QCVN 12:2014 n\u00e0y \u0111\u01b0a ra c\u00e1c quy \u0111\u1ecbnh y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft khi thi\u1ebft k\u1ebf M&amp;E, x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o, s\u1eeda ch\u1eefa h\u1ec7 th\u1ed1ng [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3176,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":{"0":"post-2733","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-dien-cong-nghiep"},"lang":"vi","translations":{"vi":2733},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/comments?post=2733"}],"version-history":[{"count":10,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2733\/revisions"}],"predecessor-version":[{"id":5375,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2733\/revisions\/5375"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media\/3176"}],"wp:attachment":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media?parent=2733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/categories?post=2733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/tags?post=2733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}