{"id":4435,"date":"2024-04-19T01:54:12","date_gmt":"2024-04-19T01:54:12","guid":{"rendered":"https:\/\/ctube-gr.com\/?p=4435"},"modified":"2026-04-24T06:41:50","modified_gmt":"2026-04-24T06:41:50","slug":"huong-dan-toan-dien-ve-ong-dan-pvc-so-voi-ong-dan-kim-loai","status":"publish","type":"post","link":"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n: \u1ed0ng d\u1eabn PVC so v\u1edbi \u1ed1ng d\u1eabn kim lo\u1ea1i"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u1ea8n\/Hi\u1ec7n m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #444444;color:#444444\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #444444;color:#444444\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#1_Introduction\" >1. Gi\u1edbi thi\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#2_What_is_PVC_conduits_and_metal_conduits\" >2. \u1ed0ng d\u1eabn PVC v\u00e0 \u1ed1ng d\u1eabn kim lo\u1ea1i l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#3_What_are_the_different_types_of_conduits\" >3. C\u00f3 nh\u1eefng lo\u1ea1i \u1ed1ng d\u1eabn n\u00e0o kh\u00e1c nhau?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#31_RMC_%E2%80%93_Rigid_Metal_Conduit\" >3.1 \u1ed0ng d\u1eabn kim lo\u1ea1i c\u1ee9ng RMC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#32_EMT_%E2%80%93_Electrical_Metallic_Tubing\" >3.2 EMT \u2013 \u1ed0ng kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#33_IMC_%E2%80%93_Intermediate_Metal_Conduit\" >3.3 IMC \u2013 \u1ed0ng d\u1eabn kim lo\u1ea1i trung gian<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#34_FMC_%E2%80%93_Flexible_Metal_Conduit\" >3.4 \u1ed0ng d\u1eabn kim lo\u1ea1i m\u1ec1m FMC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#35_ENT_%E2%80%93_Electrical_Non-metallic_Tubing\" >3.5 ENT \u2013 \u1ed0ng d\u1eabn \u0111i\u1ec7n kh\u00f4ng kim lo\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#36_Rigid_PVC_Conduit\" >3.6 \u1ed0ng d\u1eabn PVC c\u1ee9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#37_PVC_Coated_Conduit\" >3.7 \u1ed0ng d\u1eabn b\u1ecdc PVC<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#4_How_to_choose_and_where_are_they_used\" >4. C\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#41_Pros_of_metal_conduit\" >4.1 \u01afu \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn kim lo\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#42_Cons_of_metal_conduit\" >4.2 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn kim lo\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#43_Pros_of_PVC_conduit\" >4.3 \u01afu \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn PVC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#44_Cons_of_PVC_conduit\" >4.4 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn PVC<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ctube-gr.com\/vi\/news\/the-ultimate-guide-pvc-conduits-vs-metal-conduits.html\/#5_Conclusion\" >5. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Introduction\"><\/span><strong>1. Gi\u1edbi thi\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn \u1ed1ng d\u1eabn b\u1eb1ng kim lo\u1ea1i hay PVC qu\u1ea3 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nan gi\u1ea3i. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang \u0111\u1ee9ng trong gara \u0111\u00e3 ho\u00e0n thi\u1ec7n c\u1ee7a m\u00ecnh v\u00e0 mu\u1ed1n l\u1eafp \u0111\u1eb7t th\u00eam m\u1ed9t v\u00e0i \u1ed5 c\u1eafm m\u1edbi. B\u1ea1n \u0111ang c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn b\u1eb1ng kim lo\u1ea1i, nh\u01b0ng b\u1ea1n ch\u01b0a t\u1eebng d\u00f9ng lo\u1ea1i n\u00e0y bao gi\u1edd v\u00e0 ngh\u0129 r\u1eb1ng vi\u1ec7c u\u1ed1n cong n\u00f3 s\u1ebd r\u1ea5t kh\u00f3 kh\u0103n. V\u00e0 b\u1ea1n l\u1ea1i mu\u1ed1n s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn b\u1eb1ng PVC, nh\u01b0ng l\u1ea1i kh\u00f4ng ngh\u0129 r\u1eb1ng n\u00f3 \u0111\u1ee7 ch\u1eafc ch\u1eafn trong gara. Th\u1eadt l\u00e0 m\u1ed9t t\u00ecnh hu\u1ed1ng kh\u00f3 x\u1eed, ph\u1ea3i kh\u00f4ng?<\/p>\n<p>L\u1ea7n n\u00e0y, n\u1ebfu b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 v\u1ec1 PVC, RMC, EMT v\u00e0 IMC, vi\u1ec7c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y s\u1ebd r\u1ea5t d\u1ec5 d\u00e0ng. Trong l\u0129nh v\u1ef1c \u1ed1ng d\u1eabn \u0111i\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn t\u1eeb nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 th\u01b0\u01a1ng hi\u1ec7u kh\u00e1c nhau. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 tr\u00ecnh b\u00e0y chi ti\u1ebft v\u1ec1 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-4442 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2-1024x650.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"508\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2-1024x650.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2-300x190.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2-768x487.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2-600x381.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-2.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_What_is_PVC_conduits_and_metal_conduits\"><\/span><strong>2. C\u00e1i g\u00ec l\u00e0 <a href=\"https:\/\/www.ctube-gr.com\/vi\/ong-dan-pvc-dat-chung-nhan-ul\/\">\u1ed0ng d\u1eabn PVC<\/a> v\u00e0 \u1ed1ng d\u1eabn kim lo\u1ea1i?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PVC l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Polyvinylchloride, m\u1ed9t lo\u1ea1i nh\u1ef1a t\u1ed5ng h\u1ee3p b\u1ec1n ch\u1eafc v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t. N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u nh\u1ef1a \u0111\u1ec3 b\u1ea3o v\u1ec7 ngu\u1ed3n \u0111i\u1ec7n trong nh\u00e0 \u1edf, vi\u1ec5n th\u00f4ng v\u00e0 c\u00e1c ti\u1ec7n \u00edch c\u00f4ng c\u1ed9ng t\u1eeb n\u0103m 1932. \u1ed0ng d\u1eabn PVC th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1ng PVC c\u1ee9ng (ho\u1eb7c m\u1ec1m) m\u00e0u tr\u1eafng d\u00f9ng \u0111\u1ec3 lu\u1ed3n d\u00e2y v\u00e0 b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n kh\u1ecfi b\u1ecb \u0103n m\u00f2n v\u00e0 r\u00f2 r\u1ec9 \u0111i\u1ec7n.<\/p>\n<p>C\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n nh\u1ea5t trong vi\u1ec7c c\u1ea3i t\u1ea1o nh\u00e0 c\u1eeda l\u00e0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n. \u0110\u1ec3 b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn PVC. V\u00ec \u0111\u01b0\u1eddng k\u00ednh d\u00e2y \u0111i\u1ec7n kh\u00e1c nhau, \u1ed1ng d\u1eabn PVC c\u0169ng \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c b\u1ed1 tr\u00ed.<\/p>\n<p>\u1ed0ng d\u1eabn PVC ng\u0103n ng\u1eeba ch\u00e1y n\u1ed5 v\u00e0 r\u00f2 r\u1ec9 \u0111i\u1ec7n, ch\u1ed1ng \u0103n m\u00f2n, \u1ea9m m\u1ed1c v\u00e0 \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi, do \u0111\u00f3 \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n ngo\u00e0i tr\u1eddi, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u00e2y d\u1eabn v\u00e0 ng\u01b0\u1eddi lao \u0111\u1ed9ng.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-4453 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-1024x768.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-1024x768.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-300x225.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-768x576.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-600x450.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u1ed0ng d\u1eabn kim lo\u1ea1i c\u0169ng \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n v\u00e0 c\u00e1p. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y d\u1ecdc theo t\u01b0\u1eddng v\u00e0 s\u00e0n nh\u00e0, nh\u01b0ng do \u0111\u1ed9 b\u1ec1n cao, n\u00f3 c\u0169ng ph\u00f9 h\u1ee3p cho c\u00e1c khu v\u1ef1c ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i v\u00e0 d\u1ec5 b\u1ecb va \u0111\u1eadp. \u1ed0ng d\u1eabn kim lo\u1ea1i c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1t cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n nguy hi\u1ec3m t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i. Ch\u00fang \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh RMC, EMT, IMC v\u00e0 FMC. \u1ed0ng d\u1eabn kim lo\u1ea1i RMC v\u00e0 IMC ch\u1ecbu \u00e1p l\u1ef1c t\u1ed1t h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c v\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea3i n\u1eb7ng, n\u01a1i d\u1ec5 x\u1ea3y ra h\u01b0 h\u1ecfng v\u1eadt l\u00fd. \u1ed0ng d\u1eabn EMT d\u1ec5 u\u1ed1n cong v\u00e0 c\u1eaft h\u01a1n, gi\u00fap t\u1ea1o ra \u0111\u01b0\u1eddng d\u1eabn tr\u01a1n tru v\u00e0 li\u00ean t\u1ee5c, cho ph\u00e9p l\u1eafp \u0111\u1eb7t d\u00e2y nhanh h\u01a1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_What_are_the_different_types_of_conduits\"><\/span><strong>3. C\u00f3 nh\u1eefng lo\u1ea1i \u1ed1ng d\u1eabn n\u00e0o kh\u00e1c nhau?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f3 7 lo\u1ea1i \u1ed1ng d\u1eabn \u0111i\u1ec7n kh\u00e1c nhau th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n d\u00e2n d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i nh\u1ecf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_RMC_%E2%80%93_Rigid_Metal_Conduit\"><\/span><strong>3.1 \u1ed0ng d\u1eabn kim lo\u1ea1i c\u1ee9ng RMC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u1ed0ng d\u1eabn kim lo\u1ea1i c\u1ee9ng (RMC), l\u00e0 lo\u1ea1i \u1ed1ng d\u1eabn c\u00f3 ren, ti\u1ebft di\u1ec7n tr\u00f2n v\u00e0 th\u00e0nh d\u00e0y. M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a RMC l\u00e0 th\u00e0nh d\u00e0y gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m kh\u1ecfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa RMC v\u00e0 \u1ed1ng d\u1eabn \u0111i\u1ec7n (EMT) l\u00e0 EMT kh\u00f4ng c\u00f3 ren, trong khi RMC c\u00f3 ren v\u00e0 th\u00e0nh d\u00e0y h\u01a1n, n\u1eb7ng h\u01a1n, do \u0111\u00f3 gi\u00e1 th\u00e0nh cao h\u01a1n.<\/p>\n<p>V\u1eadt li\u1ec7u c\u1ee7a lo\u1ea1i \u1ed1ng d\u1eabn kim lo\u1ea1i n\u00e0y th\u01b0\u1eddng l\u00e0 th\u00e9p, \u0111\u01b0\u1ee3c chia th\u00e0nh th\u00e9p m\u1ea1 k\u1ebdm v\u00e0 th\u00e9p kh\u00f4ng m\u1ea1 k\u1ebdm. Qu\u00e1 tr\u00ecnh m\u1ea1 k\u1ebdm t\u1ea1o ra m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 b\u1eb1ng k\u1ebdm cho \u1ed1ng d\u1eabn th\u00e9p \u0111\u1ec3 gi\u00fap ng\u0103n ng\u1eeba \u0103n m\u00f2n. Lo\u1ea1i \u1ed1ng d\u1eabn c\u1ee9ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 GRC (\u1ed1ng d\u1eabn c\u1ee9ng m\u1ea1 k\u1ebdm). Tuy nhi\u00ean, ngay c\u1ea3 nh\u01b0 v\u1eady, GRC v\u1eabn d\u1ec5 b\u1ecb g\u1ec9 s\u00e9t v\u00e0 h\u01b0 h\u1ecfng.<\/p>\n<p>Th\u00e9p r\u1ea5t kh\u00f3 tr\u00e1nh kh\u1ecfi b\u1ecb \u0103n m\u00f2n. Nh\u01b0ng nh\u00f4m c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 \u0103n m\u00f2n, tr\u1eeb m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n kh\u1eafc nghi\u1ec7t nh\u01b0 \u0111\u1ea5t. B\u00ean c\u1ea1nh th\u00e9p, \u1ed1ng d\u1eabn nh\u00f4m l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1ng d\u1eabn kim lo\u1ea1i quan tr\u1ecdng. Nh\u00f4m kh\u00f4ng cho ph\u00e9p nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) l\u00e0m h\u1ecfng c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m. D\u00e2y d\u1eabn b\u00ean trong \u1ed1ng d\u1eabn \u0111\u00f4i khi t\u1ea1o ra nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, nh\u01b0ng nh\u00f4m ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y x\u1ea3y ra.<\/p>\n<p>Th\u00e9p v\u1ec1 c\u01a1 b\u1ea3n c\u00f3 m\u1eadt \u0111\u1ed9 g\u1ea5p 2501 l\u1ea7n so v\u1edbi nh\u00f4m, do \u0111\u00f3 hi\u1ec3n nhi\u00ean l\u00e0 n\u00f3 n\u1eb7ng h\u01a1n. V\u00e0 do m\u1eadt \u0111\u1ed9\/tr\u1ecdng l\u01b0\u1ee3ng cao, n\u00f3 \u00edt b\u1ecb u\u1ed1n cong d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ho\u1eb7c nhi\u1ec7t. K\u1ebft qu\u1ea3 l\u00e0, chi ph\u00ed mua v\u00e0 v\u1eadn chuy\u1ec3n \u1ed1ng d\u1eabn b\u1eb1ng nh\u00f4m s\u1ebd th\u1ea5p h\u01a1n. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u00e2n c\u00f4ng. V\u00ec m\u1ed9t \u1ed1ng d\u1eabn nh\u00f4m d\u00e0i 6 m\u00e9t n\u1eb7ng ch\u01b0a \u0111\u1ebfn 36 kg, hai c\u00f4ng nh\u00e2n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ho\u00e0n th\u00e0nh vi\u1ec7c l\u1eafp \u0111\u1eb7t. B\u1ea1n s\u1ebd c\u1ea7n b\u1ed1n c\u00f4ng nh\u00e2n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t c\u00f9ng chi\u1ec1u d\u00e0i \u1ed1ng th\u00e9p, v\u00ec n\u00f3 n\u1eb7ng kho\u1ea3ng 90 kg.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-4443 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3-1024x660.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"516\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3-1024x660.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3-300x193.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3-768x495.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3-600x387.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-3.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_EMT_%E2%80%93_Electrical_Metallic_Tubing\"><\/span><strong>3.2 EMT \u2013 \u1ed0ng kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u1ed0ng kim lo\u1ea1i d\u1eabn \u0111i\u1ec7n (EMT), l\u00e0 lo\u1ea1i \u1ed1ng kim lo\u1ea1i c\u1ee9ng th\u00e0nh m\u1ecfng kh\u00f4ng c\u00f3 ren. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho \u1ed1ng d\u1eabn c\u1ee9ng m\u1ea1 k\u1ebdm (GRC), v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p ho\u1eb7c nh\u00f4m ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7. Lo\u1ea1i \u1ed1ng d\u1eabn n\u00e0y kh\u00f4ng cung c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u1ea3o v\u1ec7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi \u1ed1ng d\u1eabn c\u1ee9ng m\u1ea1 k\u1ebdm (RMC), nh\u01b0ng nh\u1eb9 h\u01a1n. Hai \u1ed1ng EMT c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng kh\u1edbp n\u1ed1i v\u00e0 kh\u00f4ng c\u1ea7n \u1ed1c v\u00edt. EMT nh\u1eb9 h\u01a1n v\u00e0 r\u1ebb h\u01a1n c\u1ea3 RMC v\u00e0 GRC.<\/p>\n<p>V\u1ec1 c\u01a1 b\u1ea3n, \u1ed1ng EMT l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1ng d\u1eabn \u0111\u1ec3 lu\u1ed3n d\u00e2y \u0111i\u1ec7n. B\u1ea1n c\u00f3 th\u1ec3 lu\u1ed3n n\u00f3 d\u1ecdc theo t\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n che ch\u1eafn, ho\u1eb7c c\u00f3 th\u1ec3 gi\u1ea5u n\u00f3 sau t\u01b0\u1eddng, \u0111\u1eb7t trong b\u00ea t\u00f4ng ho\u1eb7c ch\u00f4n tr\u1ef1c ti\u1ebfp xu\u1ed1ng \u0111\u1ea5t. T\u1ea5t nhi\u00ean, b\u1ea1n c\u1ea7n ph\u1ea3i c\u00f3 lo\u1ea1i \u1ed1ng chuy\u00ean d\u1ee5ng ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n \u0111\u00f3. \u0110\u1ea5t r\u1ea5t \u0103n m\u00f2n kim lo\u1ea1i, v\u00ec v\u1eady b\u1ea1n c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng \u1ed1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c m\u1ea1 k\u1ebdm \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n. N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng \u1ed1ng EMT b\u1eb1ng nh\u00f4m th\u00f4ng th\u01b0\u1eddng, theo th\u1eddi gian n\u00f3 s\u1ebd b\u1ecb \u0103n m\u00f2n. V\u00e0 cu\u1ed1i c\u00f9ng, s\u1ef1 \u0103n m\u00f2n s\u1ebd l\u00e0m cho \u1ed1ng b\u1ecb v\u1ee1 v\u00e0 h\u01b0 h\u1ecfng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4444 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4-1024x682.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4-1024x682.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4-300x200.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4-768x511.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4-600x399.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-4.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"33_IMC_%E2%80%93_Intermediate_Metal_Conduit\"><\/span><strong>3.3 IMC \u2013 \u1ed0ng d\u1eabn kim lo\u1ea1i trung gian<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u1ed0ng d\u1eabn \u0111i\u1ec7n kim lo\u1ea1i trung gian (IMC) l\u00e0 lo\u1ea1i \u1ed1ng d\u1eabn \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i c\u1ee9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft n\u1ed1i ch\u1eafc ch\u1eafn. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c d\u00e2y d\u1eabn v\u00e0 c\u00e1p \u0111i\u1ec7n c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a IMC ch\u1ec9 b\u1eb1ng hai ph\u1ea7n ba so v\u1edbi \u1ed1ng d\u1eabn \u0111i\u1ec7n b\u00ea t\u00f4ng c\u1ee9ng (RMC). B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng IMC \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o cho ph\u00e9p s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn c\u00f3 th\u00e0nh m\u1ecfng.<\/p>\n<p>\u1ed0ng d\u1eabn IMC \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng b\u00ean ngo\u00e0i v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n \u0111\u1eb7c bi\u1ec7t b\u00ean trong \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd. K\u00edch th\u01b0\u1edbc \u1ed1ng d\u1eabn th\u00f4ng d\u1ee5ng dao \u0111\u1ed9ng t\u1eeb 1\/2\u2033 \u0111\u1ebfn 4\u2033 \u0111\u01b0\u1eddng k\u00ednh. IMC ban \u0111\u1ea7u \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u b\u1edfi Allied Tube &amp; Conduit v\u00e0 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng Ti\u00eau chu\u1ea9n An to\u00e0n UL (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 Underwriters Laboratories) 1242 v\u00e0 ANSI C80.6. B\u1ed9 lu\u1eadt \u0110i\u1ec7n qu\u1ed1c gia (NEC) bao g\u1ed3m m\u1ed9t \u0111i\u1ec1u kho\u1ea3n c\u1ee5 th\u1ec3 n\u00eau chi ti\u1ebft vi\u1ec7c s\u1eed d\u1ee5ng IMC \u0111\u00fang c\u00e1ch, \u0110i\u1ec1u 342. \u1ed0ng d\u1eabn IMC \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1c ph\u1ee5 ki\u1ec7n ren \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i an to\u00e0n v\u00e0 ch\u1eafc ch\u1eafn. Vi\u1ec7c l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng c\u1ea7n \u0111\u1ebfn k\u00ecm l\u1edbn ho\u1eb7c c\u1edd l\u00ea \u1ed1ng.<\/p>\n<p>Ngo\u00e0i vi\u1ec7c nh\u1eb9 h\u01a1n, \u1ed1ng IMC c\u00f3 \u0111\u01b0\u1eddng k\u00ednh trong l\u1edbn h\u01a1n \u1ed1ng RMC, v\u00e0 b\u1ec1 m\u1eb7t b\u00ean trong nh\u1eb5n h\u01a1n gi\u00fap vi\u1ec7c lu\u1ed3n d\u00e2y \u0111i\u1ec7n d\u1ec5 d\u00e0ng h\u01a1n. M\u1eb7t kh\u00e1c, Quy chu\u1ea9n \u0110i\u1ec7n qu\u1ed1c gia cho ph\u00e9p s\u1eed d\u1ee5ng \u1ed1ng IMC trong t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 \u1ed1ng RMC \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao \u1ed1ng IMC \u0111\u00e3 thay th\u1ebf \u1ed1ng RMC trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m c\u1ea3 nh\u00e0 \u1edf v\u00e0 th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p>V\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng, \u1ed1ng IMC n\u1eb1m gi\u1eefa \u1ed1ng RMC v\u00e0 \u1ed1ng EMT, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn m\u1ea1ch nh\u00e1nh trong nh\u00e0 \u1edf v\u00e0 c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i. Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u1ed1ng IMC, \u1ed1ng EMT kh\u00f4ng bao gi\u1edd c\u00f3 ren v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn nh\u01b0 \u1ed1ng IMC v\u00e0 RMC. Vi\u1ec7c s\u1eed d\u1ee5ng \u1ed1ng IMC th\u01b0\u1eddng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ea7u v\u00e0o d\u1ecbch v\u1ee5 v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u00e2y d\u1eabn l\u1ed9 thi\u00ean \u0111\u1ebfn v\u00e0 t\u1eeb c\u00e1c b\u1ea3ng \u0111i\u1ec7n d\u1ecbch v\u1ee5 b\u00ean ngo\u00e0i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4445 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5-1024x682.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5-1024x682.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5-300x200.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5-768x512.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5-600x400.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-5.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"34_FMC_%E2%80%93_Flexible_Metal_Conduit\"><\/span><strong>3.4 \u1ed0ng d\u1eabn kim lo\u1ea1i m\u1ec1m FMC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u1ed0ng kim lo\u1ea1i m\u1ec1m (FMC) c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cGreenfield\u201d, theo t\u00ean ng\u01b0\u1eddi ph\u00e1t minh ra n\u00f3. N\u00f3 c\u00f3 c\u1ea5u tr\u00fac xo\u1eafn \u1ed1c gi\u00fap n\u00f3 linh ho\u1ea1t, c\u00f3 th\u1ec3 lu\u1ed3n l\u00e1ch qua t\u01b0\u1eddng v\u00e0 c\u00e1c c\u1ea5u tr\u00fac kh\u00e1c. \u1ed0ng FMC ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i kh\u00f4 r\u00e1o trong nh\u00e0 v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c \u0111o\u1ea1n ng\u1eafn gi\u1eefa c\u00e1c h\u1ed9p \u0111i\u1ec7n v\u00e0 \u0111\u1ed9ng c\u01a1 ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh nh\u01b0 m\u00e1y nghi\u1ec1n r\u00e1c.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4446 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6-1024x688.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"538\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6-1024x688.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6-300x202.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6-768x516.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6-600x403.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-6.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"35_ENT_%E2%80%93_Electrical_Non-metallic_Tubing\"><\/span><strong>3.5 ENT \u2013 \u1ed0ng d\u1eabn \u0111i\u1ec7n kh\u00f4ng kim lo\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u1ed0ng d\u1eabn \u0111i\u1ec7n phi kim lo\u1ea1i l\u00e0 lo\u1ea1i \u1ed1ng nh\u1ef1a d\u1ebbo c\u00f3 d\u1ea1ng s\u00f3ng, ch\u1ed1ng \u1ea9m v\u00e0 ch\u1ed1ng ch\u00e1y. N\u00f3 d\u1ec5 d\u00e0ng u\u1ed1n cong v\u00e0 l\u1eafp \u0111\u1eb7t b\u1eb1ng c\u00e1c kh\u1edbp n\u1ed1i nh\u1ef1a d\u1ea1ng b\u1ea5m ho\u1eb7c d\u00e1n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u1ed1ng d\u1eabn \u0111i\u1ec7n kim lo\u1ea1i (EMT), \u1ed1ng d\u1eabn phi kim lo\u1ea1i (th\u01b0\u1eddng l\u00e0 \u1ed1ng nh\u1ef1a PVC d\u1ea1ng s\u00f3ng) kh\u00f4ng th\u1ec3 l\u1eafp \u0111\u1eb7t \u1edf nh\u1eefng v\u1ecb tr\u00ed l\u1ed9 thi\u00ean, v\u00ec v\u1eady n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u01b0\u1eddng, s\u00e0n nh\u00e0 v\u00e0 tr\u1ea7n nh\u00e0 c\u1ed1 \u0111\u1ecbnh ho\u1eb7c tr\u1ea7n nh\u00e0 l\u1eafp gh\u00e9p (ch\u1ec9 d\u00f9ng cho kh\u00f4ng kh\u00ed t\u1ef1 do). Ngo\u00e0i vi\u1ec7c l\u1eafp \u0111\u1eb7t trong c\u00e1c b\u1ee9c t\u01b0\u1eddng khung g\u1ed7 ho\u1eb7c kim lo\u1ea1i ti\u00eau chu\u1ea9n, \u1ed1ng d\u1eabn \u0111i\u1ec7n phi kim lo\u1ea1i c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y b\u1eb1ng kh\u1ed1i b\u00ea t\u00f4ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 b\u1eb1ng b\u00ea t\u00f4ng.<\/p>\n<p>\u1ed0ng ENT nh\u1eb9, d\u1ec5 u\u1ed1n b\u1eb1ng tay v\u00e0 kh\u00f4ng c\u00f3 c\u1ea1nh s\u1eafc, gi\u00fap gi\u1ea3m th\u1eddi gian l\u1eafp \u0111\u1eb7t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Do m\u00e0u xanh lam \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1ed9t nh\u00e3n hi\u1ec7u \u1ed1ng d\u1eabn ph\u1ed5 bi\u1ebfn, ENT c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &quot;\u1ed1ng Smurf&quot;, l\u1ea5y c\u1ea3m h\u1ee9ng t\u1eeb nh\u00e2n v\u1eadt ho\u1ea1t h\u00ecnh Smurf.<\/p>\n<p style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4447 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-1024x225.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"176\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-1024x225.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-300x66.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-768x169.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-1536x338.jpg 1536w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7-600x132.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-7.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"font-weight: 400;\"><span class=\"ez-toc-section\" id=\"36_Rigid_PVC_Conduit\"><\/span><strong>3.6 \u1ed0ng d\u1eabn PVC c\u1ee9ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-weight: 400;\">\u1ed0ng d\u1eabn PVC c\u1ee9ng, nh\u01b0 t\u00ean g\u1ecdi cho th\u1ea5y, l\u00e0 lo\u1ea1i \u1ed1ng d\u1eabn b\u1eb1ng PVC c\u1ee9ng th\u00edch h\u1ee3p \u0111\u1ec3 ch\u00f4n tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u0111\u1ea5t cho nhi\u1ec1u \u1ee9ng d\u1ee5ng. Ctube cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i \u1ed1ng d\u1eabn v\u00e0 ph\u1ee5 ki\u1ec7n PVC c\u1ee9ng. \u0110\u1ed1i v\u1edbi m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i, c\u00f4ng nghi\u1ec7p v\u00e0 ti\u1ec7n \u00edch, \u1ed1ng d\u1eabn PVC c\u1ee7a Ctube \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 b\u1ec1n b\u1ec9 v\u00e0 hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u n\u0103m ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec trong c\u00e1c \u1ee9ng d\u1ee5ng ng\u1ea7m, k\u00edn v\u00e0 l\u1ed9 thi\u00ean \u0111\u00e1p \u1ee9ng Ti\u00eau chu\u1ea9n \u0110i\u1ec7n Qu\u1ed1c gia. \u1ed0ng d\u1eabn \u0111i\u1ec7n PVC c\u1ee9ng c\u1ee7a ch\u00fang t\u00f4i c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i, c\u00f4ng nghi\u1ec7p, ti\u1ec7n \u00edch v\u00e0 gia \u0111\u00ecnh.<\/li>\n<li>Kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec7n ph\u00e2n v\u00e0 t\u1eeb t\u00ednh<\/li>\n<li>Ch\u1ed1ng \u1ea9m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li>T\u1ef1 d\u1eadp l\u1eeda v\u00e0 ch\u1ed1ng ch\u00e1y<\/li>\n<li>B\u1ec1n ch\u1eafc v\u00e0 ch\u1ecbu va \u0111\u1eadp t\u1ed1t<\/li>\n<li>Ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/li>\n<li>Kh\u00f4ng b\u1ecb l\u00e3o h\u00f3a d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi<\/li>\n<\/ul>\n<p style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn c\u00e1c lo\u1ea1i \u1ed1ng d\u1eabn c\u1ee9ng v\u00e0 \u1ed1ng d\u1eabn d\u1ea1ng s\u00f3ng c\u1ee7a Ctube, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam th\u00f4ng tin.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4448 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8-1024x576.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8-1024x576.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8-300x169.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8-768x432.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8-600x338.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-8.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"font-weight: 400;\"><span class=\"ez-toc-section\" id=\"37_PVC_Coated_Conduit\"><\/span><strong>3.7 \u1ed0ng d\u1eabn b\u1ecdc PVC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"font-weight: 400;\">\u1ed0ng d\u1eabn \u0111i\u1ec7n b\u1ecdc PVC l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p t\u1ed1t nh\u1ea5t gi\u1eefa \u1ed1ng d\u1eabn kim lo\u1ea1i v\u00e0 \u1ed1ng d\u1eabn PVC. Sau khi m\u1ea1 k\u1ebdm v\u00e0 t\u1ea1o ren cho c\u00e1c \u1ed1ng d\u1eabn th\u00e9p ban \u0111\u1ea7u, ng\u01b0\u1eddi ta ph\u1ee7 l\u00ean ch\u00fang m\u1ed9t l\u1edbp polyurethane v\u00e0 PVC. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c c\u1ea3 l\u1ee3i \u00edch c\u1ee7a kim lo\u1ea1i (\u0111\u1ed9 b\u1ec1n, tr\u1ecdng l\u01b0\u1ee3ng, \u0111\u1ed9 ch\u1eafc ch\u1eafn, kh\u1ea3 n\u0103ng ti\u1ebfp \u0111\u1ea5t) v\u00e0 l\u1ee3i \u00edch c\u1ee7a PVC (kh\u1ea3 n\u0103ng ch\u1ed1ng g\u1ec9 v\u00e0 \u0103n m\u00f2n). \u1ed0ng d\u1eabn \u0111i\u1ec7n b\u1ecdc PVC \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o ra gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u cho h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn \u0111i\u1ec7n b\u1ec1n l\u00e2u v\u00e0 kh\u00f4ng b\u1ecb \u0103n m\u00f2n.<\/p>\n<p>&nbsp;<\/p>\n<table>\n<thead>\n<tr>\n<th>\u200b<strong>Lo\u1ea1i<\/strong><\/th>\n<th>\u200b<strong>\u1ed0ng d\u1eabn PVC<\/strong><\/th>\n<th>\u200b<strong>\u1ed0ng d\u1eabn kim lo\u1ea1i<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u200b<strong>V\u1eadt li\u1ec7u<\/strong><\/td>\n<td>Polyvinyl clorua (PVC), nh\u1eb9 v\u00e0 d\u1ebbo.<\/td>\n<td>Th\u00e9p m\u1ea1 k\u1ebdm, nh\u00f4m ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9; c\u1ee9ng c\u00e1p v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/td>\n<td>\u2705 Tuy\u1ec7t v\u1eddi (l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt\/h\u00f3a ch\u1ea5t, v\u00ed d\u1ee5 nh\u01b0 khu v\u1ef1c ven bi\u1ec3n\/c\u00f4ng nghi\u1ec7p).<\/td>\n<td>\u274c C\u1ea7n c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng g\u1ec9 (th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 hi\u1ec7u qu\u1ea3 t\u1ed1t h\u01a1n).<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y<\/strong><\/td>\n<td>\u274c M\u1ec1m \u0111i d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao; kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ed1ng ch\u00e1y (tr\u1eeb khi s\u1eed d\u1ee5ng ch\u1ea5t ph\u1ee5 gia ch\u1ed1ng ch\u00e1y).<\/td>\n<td>\u2705 Th\u00e9p\/nh\u00f4m ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao; l\u00fd t\u01b0\u1edfng cho c\u00e1c khu v\u1ef1c ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/strong><\/td>\n<td>\u2705 Kh\u00f4ng d\u1eabn \u0111i\u1ec7n, kh\u00f4ng g\u00e2y nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI); l\u00fd t\u01b0\u1edfng cho \u0111\u01b0\u1eddng d\u00e2y d\u1eef li\u1ec7u\/vi\u1ec5n th\u00f4ng.<\/td>\n<td>\u274c D\u1eabn \u0111i\u1ec7n; c\u1ea7n n\u1ed1i \u0111\u1ea5t. C\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u \u0111i\u1ec7n t\u1eeb n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>C\u00e2n n\u1eb7ng<\/strong><\/td>\n<td>\u2705 Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 (~1,4g\/cm\u00b3), d\u1ec5 v\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t.<\/td>\n<td>\u274c N\u1eb7ng (th\u00e9p: ~7,8g\/cm\u00b3), c\u1ea7n c\u00f3 k\u1ebft c\u1ea5u \u0111\u1ee1 b\u1ed5 sung.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>L\u1eafp \u0111\u1eb7t<\/strong><\/td>\n<td>\u2705 D\u1ec5 c\u1eaft v\u00e0 u\u1ed1n (t\u1ea1o h\u00ecnh ngu\u1ed9i); d\u1ee5ng c\u1ee5 t\u1ed1i thi\u1ec3u.<\/td>\n<td>\u274c C\u1ea7n c\u00f3 c\u00e1c d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng (v\u00ed d\u1ee5: m\u00e1y u\u1ed1n \u1ed1ng d\u1eabn, m\u00e1y ren).<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Tr\u1ecb gi\u00e1<\/strong><\/td>\n<td>\u2705 Chi ph\u00ed v\u1eadt li\u1ec7u v\u00e0 nh\u00e2n c\u00f4ng th\u1ea5p h\u01a1n (kho\u1ea3ng 1\/3 gi\u00e1 th\u00e9p).<\/td>\n<td>\u274c Chi ph\u00ed v\u1eadt li\u1ec7u v\u00e0 l\u1eafp \u0111\u1eb7t cao h\u01a1n (th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 \u0111\u1eaft nh\u1ea5t).<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong><\/td>\n<td>\u274c D\u1ec5 v\u1ee1 \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c l\u1ea1nh (&lt;-5\u00b0C); bi\u1ebfn d\u1ea1ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao (&gt;60\u00b0C).<\/td>\n<td>\u2705 Tay c\u1ea7m b\u1eb1ng th\u00e9p, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 t\u1eeb -40\u00b0C \u0111\u1ebfn 200\u00b0C; th\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp<\/strong><\/td>\n<td>\u274c \u0110\u1ed9 c\u1ee9ng trung b\u00ecnh (PVC th\u00e0nh d\u00e0y gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n).<\/td>\n<td>\u2705 Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c va \u0111\u1eadp\/nghi\u1ec1n n\u00e1t cao; l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p.<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Tu\u1ed5i th\u1ecd<\/strong><\/td>\n<td>\u2705 20\u201350 n\u0103m (n\u1ebfu \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi tia c\u1ef1c t\u00edm).<\/td>\n<td>\u2705 30\u201370 n\u0103m (th\u00e9p m\u1ea1 k\u1ebdm v\u1edbi l\u1edbp ph\u1ee7 c\u00f2n nguy\u00ean v\u1eb9n).<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>T\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng<\/strong><\/td>\n<td>\u274c Ch\u1ee9a clo; gi\u1ea3i ph\u00f3ng ch\u1ea5t \u0111\u1ed9c n\u1ebfu b\u1ecb \u0111\u1ed1t ch\u00e1y. C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf.<\/td>\n<td>\u2705 Th\u00e9p\/nh\u00f4m c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng (theo ti\u00eau chu\u1ea9n 100%).<\/td>\n<\/tr>\n<tr>\n<td>\u200b<strong>Ch\u1ee9ng ch\u1ec9<\/strong><\/td>\n<td>UL 651 (US\/Canada), IEC 61386 (to\u00e0n c\u1ea7u), BS EN 61386 (EU).<\/td>\n<td>UL 6 (th\u00e9p), UL 4 (nh\u00f4m), NEMA RN-1 (c\u00f4ng nghi\u1ec7p).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"font-weight: 400;\"><span class=\"ez-toc-section\" id=\"4_How_to_choose_and_where_are_they_used\"><\/span><strong>4. C\u00e1ch l\u1ef1a ch\u1ecdn v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"font-weight: 400;\">\u1ede tr\u00ean, ch\u00fang ta \u0111\u00e3 li\u1ec7t k\u00ea c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau c\u1ee7a \u1ed1ng d\u1eabn v\u00e0 gi\u1edbi thi\u1ec7u ng\u1eafn g\u1ecdn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a ch\u00fang. B\u00e2y gi\u1edd, ch\u00fang ta s\u1ebd c\u00f3 m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft t\u1ed5ng quan v\u1ec1 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ph\u1ed5 bi\u1ebfn c\u1ee7a \u1ed1ng d\u1eabn kim lo\u1ea1i v\u00e0 \u1ed1ng d\u1eabn PVC.<\/p>\n<h3 style=\"font-weight: 400;\"><span class=\"ez-toc-section\" id=\"41_Pros_of_metal_conduit\"><\/span><strong>4.1 \u01afu \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn kim lo\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li style=\"font-weight: 400;\">\u0110\u1ed9 b\u1ec1n k\u1ebft c\u1ea5u, kh\u1ea3 n\u0103ng ch\u1ed1ng \u00e9p \u0111\u00f9n v\u00e0 ch\u1ed1ng va \u0111\u1eadp tuy\u1ec7t v\u1eddi.<\/li>\n<li style=\"font-weight: 400;\">D\u1eabn \u0111i\u1ec7n<\/li>\n<li style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<li style=\"font-weight: 400;\">Ch\u1ed1ng tia c\u1ef1c t\u00edm<\/li>\n<li style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1eafn (\u00e1p d\u1ee5ng cho \u0111\u1ed9ng v\u1eadt)<\/li>\n<li style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a c\u00f4n tr\u00f9ng v\u00e0 vi khu\u1ea9n<\/li>\n<li style=\"font-weight: 400;\">Ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/li>\n<li style=\"font-weight: 400;\">Ch\u1ed1ng n\u1ed5<\/li>\n<li style=\"font-weight: 400;\">Ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb v\u00e0 nhi\u1ec5u t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn<\/li>\n<\/ol>\n<h3 style=\"font-weight: 400;\"><span class=\"ez-toc-section\" id=\"42_Cons_of_metal_conduit\"><\/span><strong>4.2 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn kim lo\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li style=\"font-weight: 400;\">\u0110\u1ed9 d\u1eabn nhi\u1ec7t cao<\/li>\n<li style=\"font-weight: 400;\">D\u1eabn \u0111i\u1ec7n<\/li>\n<li style=\"font-weight: 400;\">D\u1ec5 b\u1ecb h\u01b0 h\u1ea1i do \u0103n m\u00f2n<\/li>\n<li style=\"font-weight: 400;\">D\u1ec5 b\u1ecb xo\u1eafn v\u1eb7n<\/li>\n<li style=\"font-weight: 400;\">C\u1ea7n c\u00f3 d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 u\u1ed1n cong.<\/li>\n<li style=\"font-weight: 400;\">Chi ph\u00ed cao<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4449 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-1024x467.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"365\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-1024x467.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-300x137.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-768x350.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-1536x701.jpg 1536w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9-600x274.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-9.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"43_Pros_of_PVC_conduit\"><\/span><strong>4.3 \u01afu \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn PVC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p<\/li>\n<li>C\u00e1ch \u0111i\u1ec7n<\/li>\n<li>D\u1ec5 u\u1ed1n cong v\u00e0 l\u1eafp \u0111\u1eb7t<\/li>\n<li>Linh ho\u1ea1t ho\u1eb7c b\u00e1n linh ho\u1ea1t<\/li>\n<li>Ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/li>\n<li>Ch\u1ed1ng ch\u00e1y n\u1ed5<\/li>\n<li>Ch\u1ed1ng c\u00f4n tr\u00f9ng<\/li>\n<li>Chi ph\u00ed th\u1ea5p<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"44_Cons_of_PVC_conduit\"><\/span><strong>4.4 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a \u1ed1ng d\u1eabn PVC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li>Kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<li>C\u00e1ch \u0111i\u1ec7n<\/li>\n<li>D\u1ec5 b\u1ecb c\u1eafn (\u00e1m ch\u1ec9 \u0111\u1ed9ng v\u1eadt)<\/li>\n<li>D\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi vi sinh v\u1eadt<\/li>\n<li>\u0110\u1ed9 b\u1ec1n k\u1ebft c\u1ea5u th\u1ea5p h\u01a1n so v\u1edbi \u1ed1ng d\u1eabn kim lo\u1ea1i<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4450 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10-1024x682.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10-1024x682.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10-300x200.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10-768x512.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10-600x400.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-10.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 t\u00ednh d\u1eabn \u0111i\u1ec7n c\u00f3 th\u1ec3 l\u00e0 c\u1ea3 l\u1ee3i th\u1ebf v\u00e0 b\u1ea5t l\u1ee3i t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. Do \u0111\u00f3, kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn n\u00e0o ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p khi ch\u1ecdn \u1ed1ng d\u1eabn \u0111i\u1ec7n. M\u1ed7i \u1ee9ng d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo c\u00e1c v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p nh\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p c\u00e1c v\u1eadt li\u1ec7u trong c\u00f9ng m\u1ed9t \u1ee9ng d\u1ee5ng c\u0169ng kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00ec c\u00e1c th\u00f4ng s\u1ed1 thay \u0111\u1ed5i \u1edf c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. V\u00ed d\u1ee5, \u1ed1ng d\u1eabn PVC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho \u0111\u01b0\u1eddng d\u00e2y n\u1ed1i \u0111\u1ea5t, sau \u0111\u00f3 chuy\u1ec3n sang \u1ed1ng d\u1eabn th\u00e9p ho\u1eb7c nh\u00f4m c\u1ee9ng khi h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn ti\u1ebfp x\u00fac v\u1edbi gia s\u00fac. T\u01b0\u01a1ng t\u1ef1, \u1ed1ng d\u1eabn kim lo\u1ea1i c\u1ee9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong \u1ed1ng d\u1eabn PVC c\u1ee9ng khi c\u1ea7n c\u1ea3 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. \u0110\u00f4i khi, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn ph\u1ee7 PVC \u0111\u1ec3 dung h\u00f2a.<\/p>\n<p>Gi\u1edd ch\u00fang ta h\u00e3y quay l\u1ea1i c\u00e2u h\u1ecfi \u1edf \u0111\u1ea7u b\u00e0i vi\u1ebft: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u1ed1ng d\u1eabn \u0111i\u1ec7n cho gara c\u1ee7a b\u1ea1n?<\/p>\n<p>M\u1ed9t l\u1ef1a ch\u1ecdn chuy\u00ean nghi\u1ec7p h\u01a1n l\u00e0 ch\u1ecdn \u1ed1ng EMT v\u00e0 k\u00e9o d\u00e2y n\u1ed1i \u0111\u1ea5t. V\u00ec \u0111\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng trong nh\u00e0 v\u00e0 \u1ed1ng EMT \u0111\u1ee7 b\u1ec1n. Th\u00f4ng th\u01b0\u1eddng, \u1ed1ng PVC s\u1ebd b\u1ecb r\u00e1ch, \u1ed1ng EMT s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng nh\u1eb9, c\u00f2n \u1ed1ng RMC s\u1ebd \u0111\u1ec3 l\u1ea1i v\u1ebft l\u00f5m tr\u00ean xe n\u00e2ng c\u1ee7a b\u1ea1n. M\u1eb7c d\u00f9 kh\u00f4ng d\u1ec5 d\u00e0ng \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi thi\u1ebfu kinh nghi\u1ec7m, nh\u01b0ng \u1ed1ng EMT d\u1ec5 u\u1ed1n cong l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. U\u1ed1n cong \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1c \u0111o\u1ea1n u\u1ed1n cong h\u00ecnh ch\u1eef S nh\u1ecf c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n. T\u1ea5t nhi\u00ean, \u1ed1ng PVC d\u1ec5 k\u00e9o h\u01a1n nhi\u1ec1u nh\u01b0ng n\u00f3 th\u1eadm ch\u00ed kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc trong gara nh\u00e0 \u1edf. N\u1ebfu b\u1ea1n mu\u1ed1n tr\u00e1nh u\u1ed1n cong qu\u00e1 nhi\u1ec1u, h\u00e3y th\u1eed ch\u1ea1y \u1ed1ng EMT theo chi\u1ec1u ngang \u1edf v\u1ecb tr\u00ed cao v\u00e0 \u0111\u1eb7t m\u1ed9t v\u00e0i \u0111o\u1ea1n \u1ed1ng d\u1eabn. C\u00e1ch n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m kh\u00f4ng gian t\u01b0\u1eddng v\u00e0 gi\u1eef cho \u1ed1ng d\u1eabn s\u1ea1ch s\u1ebd.<\/p>\n<p>V\u00e0 n\u00f3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u1ed1i \u0111\u1ea5t cho d\u00e2y d\u1eabn. \u0110\u00f3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9. \u1ed0ng PVC r\u1ea5t t\u1ed1t n\u1ebfu b\u1ea1n ch\u00f4n n\u00f3 d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t. Nh\u01b0ng trong c\u00f4ng vi\u1ec7c s\u1eeda ch\u1eefa nh\u00e0 \u0111\u1ec3 xe n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn r\u1ea5t x\u1ea5u x\u00ed v\u00e0 m\u1ea5t th\u1ea9m m\u1ef9. T\u1ea1i sao kh\u00f4ng s\u1eed d\u1ee5ng b\u00ea t\u00f4ng tr\u1ed9n s\u1eb5n (RMC)? N\u00f3 r\u1ea5t ch\u1eafc ch\u1eafn, nh\u01b0ng kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed. \u0110\u1eebng bao gi\u1edd ch\u1ecdn n\u00f3 tr\u1eeb khi b\u1ea1n c\u1ea7n d\u00f9ng xe n\u00e2ng h\u1ea1ng n\u1eb7ng \u0111\u1ec3 \u0111\u00f3ng v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4451 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11-1024x577.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"451\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11-1024x577.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11-300x169.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11-768x433.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11-600x338.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-11.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Conclusion\"><\/span><strong>5. K\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ch\u00fang t\u00f4i gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1eefa \u1ed1ng d\u1eabn \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i v\u00e0 \u1ed1ng d\u1eabn \u0111i\u1ec7n b\u1eb1ng PVC.<\/p>\n<p>\u0110i\u1ec7n n\u0103ng l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u1ea1i. B\u1ea5t k\u1ef3 t\u00f2a nh\u00e0 d\u00e2n c\u01b0 hay th\u01b0\u01a1ng m\u1ea1i n\u00e0o c\u0169ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. D\u00e2y \u0111i\u1ec7n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o cho m\u1ee5c \u0111\u00edch n\u00e0y. V\u00ec d\u00e2y \u0111i\u1ec7n kh\u00f4ng th\u1ec3 ch\u1ea1y d\u1ecdc theo b\u1ec1 m\u1eb7t t\u00f2a nh\u00e0, n\u00ean \u1ed1ng d\u1eabn \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 b\u00ean trong t\u01b0\u1eddng \u0111\u1ec3 d\u1eabn d\u00e2y \u0111\u1ebfn \u0111i\u1ec3m c\u1ea5p \u0111i\u1ec7n. Ch\u1ee9c n\u0103ng th\u1ee9 hai c\u1ee7a \u1ed1ng d\u1eabn l\u00e0 duy tr\u00ec t\u00ednh th\u1ea9m m\u1ef9 c\u1ee7a t\u00f2a nh\u00e0 v\u00e0 b\u1ea3o v\u1ec7 d\u00e2y \u0111i\u1ec7n kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i. V\u1ec1 c\u01a1 b\u1ea3n, c\u1ea5u tr\u00fac c\u1ee7a d\u1ef1 \u00e1n, m\u00f4i tr\u01b0\u1eddng, k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a d\u00e2y \u0111i\u1ec7n s\u1ebd quy\u1ebft \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i \u1ed1ng d\u1eabn \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n c\u1ea7n thi\u1ebft.<\/p>\n<p>V\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 19, nhi\u1ec1u thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb s\u1eed d\u1ee5ng kh\u00ed \u0111\u1ed1t sang \u0111i\u1ec7n. D\u00e2y \u0111i\u1ec7n \u0111\u01b0\u1ee3c lu\u1ed3n tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed c\u0169, t\u1ea1o n\u00ean m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 s\u1edbm nh\u1ea5t v\u1ec1 \u1ed1ng d\u1eabn \u0111i\u1ec7n. Ng\u00e0y nay, c\u00e1c ki\u1ec3u \u1ed1ng d\u1eabn \u0111i\u1ec7n r\u1ea5t \u0111a d\u1ea1ng, t\u1eeb lo\u1ea1i c\u00f3 c\u1ea5u t\u1ea1o kh\u00e1 ch\u1eafc ch\u1eafn \u0111\u1ebfn lo\u1ea1i c\u1ef1c k\u1ef3 b\u1ec1n, \u0111\u1ebfn m\u1ee9c b\u1ea1n c\u00f3 th\u1ec3 l\u00e1i xe qua m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng n\u00f3.<\/p>\n<p>Ch\u00fang t\u00f4i hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n xem x\u00e9t c\u00e1c l\u1ef1a ch\u1ecdn c\u1ee7a m\u00ecnh t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9. B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2y v\u00e0 c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecdn lo\u1ea1i \u1ed1ng d\u1eabn \u0111i\u1ec7n \u0111\u00e1p \u1ee9ng c\u1ea3 nhu c\u1ea7u c\u1ee7a b\u1ea1n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n nh\u01b0 Quy chu\u1ea9n \u0110i\u1ec7n Qu\u1ed1c gia trong t\u01b0\u01a1ng lai. Cu\u1ed1i c\u00f9ng, b\u1ea1n c\u00f3 th\u1ec3 b\u01b0\u1edbc ch\u00e2n v\u00e0o ng\u00e0nh \u0111i\u1ec7n d\u00f9 b\u1ea1n \u0111ang qu\u1ea3n l\u00fd d\u1ef1 \u00e1n \u0111i\u1ec7n l\u1ef1c hay \u0111ang c\u1ea3i t\u1ea1o nh\u00e0 c\u1eeda.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4452 size-large\" src=\"https:\/\/ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12-1024x684.jpg\" alt=\"\u1ed0ng d\u1eabn PVC\" width=\"800\" height=\"534\" srcset=\"https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12-1024x684.jpg 1024w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12-300x200.jpg 300w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12-768x513.jpg 768w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12-600x401.jpg 600w, https:\/\/www.ctube-gr.com\/wp-content\/uploads\/2024\/04\/PVC-Conduits-VS-Metal-Conduits-12.jpg 1280w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><em>\u201cN\u1ebfu c\u1ed1 g\u1eafng suy ngh\u0129 v\u1ec1 l\u1ecbch s\u1eed, theo t\u00f4i, n\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c nh\u00ecn v\u00e0o m\u1ed9t d\u00e3y n\u00fai. L\u1ea7n \u0111\u1ea7u ti\u00ean b\u1ea1n nh\u00ecn th\u1ea5y ch\u00fang, ch\u00fang tr\u00f4ng theo m\u1ed9t h\u01b0\u1edbng. Nh\u01b0ng r\u1ed3i th\u1eddi gian thay \u0111\u1ed5i, \u00e1nh s\u00e1ng bi\u1ebfn \u0111\u1ed5i. C\u00f3 th\u1ec3 b\u1ea1n \u0111\u00e3 di chuy\u1ec3n m\u1ed9t ch\u00fat, g\u00f3c nh\u00ecn c\u1ee7a b\u1ea1n \u0111\u00e3 thay \u0111\u1ed5i. Nh\u1eefng ng\u1ecdn n\u00fai v\u1eabn v\u1eady, nh\u01b0ng ch\u00fang tr\u00f4ng r\u1ea5t kh\u00e1c.\u201d<\/em><\/p>\n<p style=\"text-align: right;\"><em>Robert Harris<\/em><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Introduction To choose metal or PVC conduit, it is a question. Imagine you are standing in your finished garage and want to install some new outlets. You are considering using metal conduit, but you&#8217;ve never used it before and think it&#8217;s a pain in the ass to get it bended. And you want to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10919,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_joinchat":[],"footnotes":""},"categories":[351,18,143],"tags":[149,164,130,151,150],"class_list":["post-4435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-conduit-systems","category-company-news","category-industry-news","tag-electrical-conduit","tag-metal-conduit","tag-pvc-conduit","tag-pvc-electrical-conduit","tag-pvc-pipe"],"_links":{"self":[{"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/posts\/4435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/comments?post=4435"}],"version-history":[{"count":1,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/posts\/4435\/revisions"}],"predecessor-version":[{"id":14383,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/posts\/4435\/revisions\/14383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/media\/10919"}],"wp:attachment":[{"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/media?parent=4435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/categories?post=4435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ctube-gr.com\/vi\/wp-json\/wp\/v2\/tags?post=4435"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}