{"id":1577,"date":"2023-03-16T03:47:36","date_gmt":"2023-03-16T03:47:36","guid":{"rendered":"http:\/\/pvcconduitmanufacturer.com\/?p=1577"},"modified":"2025-05-19T06:08:30","modified_gmt":"2025-05-19T06:08:30","slug":"do-sau-toi-da-de-chon-ong-dan-dien-duoi-long-dat-la-bao-nhieu","status":"publish","type":"post","link":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/how-deep-to-bury-electrical-conduit-underground\/","title":{"rendered":"\u0110\u1ed9 s\u00e2u t\u1ed1i \u0111a \u0111\u1ec3 ch\u00f4n \u1ed1ng d\u1eabn \u0111i\u1ec7n d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t l\u00e0 bao nhi\u00eau?"},"content":{"rendered":"

B\u1ed9 lu\u1eadt \u0111i\u1ec7n qu\u1ed1c gia (NEC) \u0111\u01b0a ra c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 vi\u1ec7c ch\u00f4n c\u00e1p v\u00e0 d\u00e2y \u0111i\u1ec7n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1eafp \u0111\u1eb7t ch\u00f4n tr\u1ef1c ti\u1ebfp.\u00a0<\/span><\/p>\n

\"\u0110\u01b0\u1eddng<\/span><\/p>\n

C\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 s\u00e2u n\u00e0y \u0111\u01b0\u1ee3c n\u00eau r\u00f5 trong b\u1ea3ng 300.5 c\u1ee7a NEC. \u0110\u1ed9 s\u00e2u ch\u00f4n l\u1ea5p thay \u0111\u1ed5i t\u1eeb 4 inch \u0111\u1ebfn 24 inch, t\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p \u0111i d\u00e2y c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0110i\u1ec1u 300 \u2013 Y\u00eau c\u1ea7u chung v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ea5u d\u00e2y<\/th>\n<\/tr>\n<\/thead>\n
B\u1ea3ng 300.5 Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 che ph\u1ee7 t\u1ed1i thi\u1ec3u, t\u1eeb 0 \u0111\u1ebfn 1000 V\u00f4n, Danh ngh\u0129a, \u0110\u1ed9 s\u00e2u ch\u00f4n l\u1ea5p (t\u00ednh b\u1eb1ng milim\u00e9t (inch))<\/td>\n<\/tr>\n
<\/td>\n<\/td>\nLo\u1ea1i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea5u d\u00e2y ho\u1eb7c m\u1ea1ch \u0111i\u1ec7n<\/td>\n<\/tr>\n
V\u1ecb tr\u00ed c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea5u d\u00e2y ho\u1eb7c m\u1ea1ch \u0111i\u1ec7n<\/td>\nC\u1ed9t 1
\nCh\u00f4n c\u1ea5t tr\u1ef1c ti\u1ebfp
\nD\u00e2y c\u00e1p ho\u1eb7c
\nNh\u1ea1c tr\u01b0\u1edfng<\/td>\n		C\u1ed9t 2
\nKim lo\u1ea1i c\u1ee9ng
\n\u1ed0ng d\u1eabn ho\u1eb7c
\nTrung c\u1ea5p
\n\u1ed0ng d\u1eabn kim lo\u1ea1i<\/td>\n		C\u1ed9t 3
\nPhi kim lo\u1ea1i
\nDanh s\u00e1ch c\u00e1c \u0111\u01b0\u1eddng \u0111ua
\nCh\u00f4n c\u1ea5t tr\u1ef1c ti\u1ebfp
\nKh\u00f4ng c\u00f3 b\u00ea t\u00f4ng
\nBao b\u1ecdc ho\u1eb7c
\nC\u00e1c ph\u00ea duy\u1ec7t kh\u00e1c
\n\u0110\u01b0\u1eddng \u0111ua<\/td>\n		C\u1ed9t 4
\nChi nh\u00e1nh d\u00e2n c\u01b0
\nM\u1ea1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1
\n\u0110i\u1ec7n \u00e1p 120 Volts tr\u1edf xu\u1ed1ng
\nv\u1edbi GCFI
\nB\u1ea3o v\u1ec7 v\u00e0
\nB\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng t\u1ed1i \u0111a c\u1ee7a
\n20 Ampe<\/td>\n		C\u1ed9t 5
\nM\u1ea1ch \u0111i\u1ec1u khi\u1ec3n
\nv\u1ec1 th\u1ee7y l\u1ee3i v\u00e0
\nChi\u1ebfu s\u00e1ng c\u1ea3nh quan
\nGi\u1edbi h\u1ea1n \u1edf m\u1ee9c Kh\u00f4ng h\u01a1n
\nH\u01a1n 30 v\u00f4n v\u00e0
\n\u0110\u00e3 c\u00e0i \u0111\u1eb7t v\u1edbi Lo\u1ea1i
\nUF ho\u1eb7c trong Kh\u00e1c
\nC\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ho\u1eb7c
\n\u0110\u01b0\u1eddng \u0111ua<\/td>\n<\/tr>\n
mm<\/td>\nTRONG.<\/td>\nmm<\/td>\nTRONG.<\/td>\nmm<\/td>\nTRONG.<\/td>\nmm<\/td>\nTRONG.<\/td>\nmm<\/td>\nTRONG.<\/td>\n<\/tr>\n
T\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5 b\u00ean d\u01b0\u1edbi<\/td>\n600<\/td>\n24<\/td>\n150<\/td>\n6<\/td>\n450<\/td>\n18<\/td>\n300<\/td>\n12<\/td>\n150 a,b<\/td>\n6 a,b<\/td>\n<\/tr>\n
Trong r\u00e3nh s\u00e2u d\u01b0\u1edbi 50 mm (2 in.)<\/td>\n450<\/td>\n18<\/td>\n150<\/td>\n6<\/td>\n300<\/td>\n12<\/td>\n150<\/td>\n6<\/td>\n150<\/td>\n6<\/td>\n<\/tr>\n
D\u01b0\u1edbi m\u1ed9t t\u00f2a nh\u00e0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
(trong \u1ed1ng d\u1eabn c\u00e1p ho\u1eb7c c\u00e1p lo\u1ea1i MC ho\u1eb7c lo\u1ea1i MI \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 ch\u00f4n tr\u1ef1c ti\u1ebfp)<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n(trong \u1ed1ng d\u1eabn c\u00e1p ho\u1eb7c c\u00e1p lo\u1ea1i MC ho\u1eb7c lo\u1ea1i MI \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 ch\u00f4n tr\u1ef1c ti\u1ebfp)<\/td>\n(trong \u1ed1ng d\u1eabn c\u00e1p ho\u1eb7c c\u00e1p lo\u1ea1i MC ho\u1eb7c lo\u1ea1i MI \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 ch\u00f4n tr\u1ef1c ti\u1ebfp)<\/td>\n<\/tr>\n
D\u01b0\u1edbi l\u1edbp b\u00ea t\u00f4ng c\u1ed1t th\u00e9p d\u00e0y t\u1ed1i thi\u1ec3u 102 mm (4 in.) \u1edf m\u1eb7t ngo\u00e0i, kh\u00f4ng c\u00f3 xe c\u1ed9 l\u01b0u th\u00f4ng v\u00e0 l\u1edbp b\u00ea t\u00f4ng n\u00e0y k\u00e9o d\u00e0i ra ngo\u00e0i ph\u1ea7n l\u1eafp \u0111\u1eb7t ng\u1ea7m \u00edt nh\u1ea5t 152 mm (6 in.).<\/td>\n450<\/td>\n18<\/td>\n100<\/td>\n4<\/td>\n100<\/td>\n4<\/td>\n150<\/td>\n6<\/td>\n150<\/td>\n6<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n(ch\u00f4n c\u1ea5t tr\u1ef1c ti\u1ebfp)<\/td>\n(ch\u00f4n c\u1ea5t tr\u1ef1c ti\u1ebfp)<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n100<\/td>\n4<\/td>\n100<\/td>\n4<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n(trong \u0111\u01b0\u1eddng \u0111ua)<\/td>\n(trong \u0111\u01b0\u1eddng \u0111ua)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m:<\/strong><\/p>\n

\u1ed0ng d\u1eabn PVC \u2013 M\u1ed9t trong nh\u1eefng lo\u1ea1i \u1ed1ng d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t \u0111\u1ec3 l\u1eafp \u0111\u1eb7t ng\u1ea7m.<\/p>\n

\u0110\u01b0\u1ee3c l\u00e0m t\u1eeb \u1ed1ng nh\u1ef1a polyvinyl clorua (PVC) c\u1ee9ng. B\u1ec1n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 gi\u00e1 c\u1ea3 t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ea3i ch\u0103ng. C\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau.<\/p>\n

\u1ed0ng d\u1eabn HDPE \u2013 \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb polyetylen m\u1eadt \u0111\u1ed9 cao (HDPE), lo\u1ea1i \u1ed1ng n\u00e0y d\u1ebbo v\u00e0 d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n so v\u1edbi \u1ed1ng d\u1eabn PVC c\u1ee9ng. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u00f4n tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u0111\u1ea5t. Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 r\u1ea5t b\u1ec1n.<\/p>\n

\u1ed0ng th\u00e9p \u2013 \u1ed0ng th\u00e9p m\u1ea1 k\u1ebdm c\u1ee9ng c\u00e1p mang l\u1ea1i \u0111\u1ed9 b\u1ec1n t\u1ed1i \u0111a khi l\u1eafp \u0111\u1eb7t d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t nh\u01b0ng n\u1eb7ng h\u01a1n v\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t cao h\u01a1n so v\u1edbi \u1ed1ng PVC ho\u1eb7c HDPE. C\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao.<\/p>\n

\u1ed0ng d\u1eabn b\u1eb1ng s\u1ee3i th\u1ee7y tinh \u2013 Kh\u00f4ng ch\u1ee9a kim lo\u1ea1i v\u00e0 ch\u1ed1ng \u0103n m\u00f2n. L\u00e0 l\u1ef1a ch\u1ecdn thay th\u1ebf t\u1ed1t khi c\u1ea7n c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00f4ng d\u1eabn \u0111i\u1ec7n v\u00e0 kh\u00f4ng nhi\u1ec5m t\u1eeb. Gi\u00e1 th\u00e0nh cao h\u01a1n \u1ed1ng PVC.<\/p>\n

\u1ed0ng ENT (\u1ed1ng d\u1eabn \u0111i\u1ec7n phi kim lo\u1ea1i) \u2013 \u1ed0ng PVC m\u1ec1m d\u1ebbo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf gi\u00e1 r\u1ebb cho \u1ed1ng d\u1eabn c\u1ee9ng, th\u01b0\u1eddng d\u00f9ng cho c\u00e1c \u0111o\u1ea1n \u1ed1ng ng\u1eafn d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t. D\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n \u1ed1ng d\u1eabn c\u1ee9ng nh\u01b0ng kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u1eadt l\u00fd k\u00e9m h\u01a1n.<\/p>\n

\u1ed0ng d\u1eabn u\u1ed1n s\u1eb5n \u2013 C\u00f3 s\u1eb5n cho PVC v\u00e0 HDPE. Thi\u1ebft k\u1ebf u\u1ed1n s\u1eb5n gi\u00fap d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t d\u1ecdc theo c\u00e1c \u0111\u01b0\u1eddng cong m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i u\u1ed1n cong t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>","protected":false},"excerpt":{"rendered":"

The National Electrical Code (NEC) provides guidelines for burying electrical cable and wiring, commonly referred to as direct burial installations.\u00a0 These depth requirements are outlined in table 300.5 of the NEC. The burial depth varies between 4 inches and 24 inches, depending on the specific wiring method employed. Article 300 \u2013 General Requirements for Wiring […]<\/p>\n","protected":false},"author":1,"featured_media":13171,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_joinchat":[],"footnotes":""},"categories":[13],"tags":[190,193,192,191],"class_list":["post-1577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-conduit-pipe","tag-how-deep-does-electrical-conduit-need-to-be-buried","tag-how-deep-for-electrical-conduit","tag-how-deep-should-electrical-conduit-be-buried","tag-how-deep-to-bury-electrical-conduit"],"modified_by":"ctubeofficialchina","_links":{"self":[{"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/posts\/1577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/comments?post=1577"}],"version-history":[{"count":0,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/posts\/1577\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/media\/13171"}],"wp:attachment":[{"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/media?parent=1577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/categories?post=1577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pvcconduitmanufacturer.com\/vi\/wp-json\/wp\/v2\/tags?post=1577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}