{"id":6529,"date":"2021-06-19T03:46:50","date_gmt":"2021-06-19T03:46:50","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=6529"},"modified":"2021-06-19T03:46:50","modified_gmt":"2021-06-19T03:46:50","slug":"choosing-the-right-electrical-box-plastic-vs-metal","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/electrical-engineering\/choosing-the-right-electrical-box-plastic-vs-metal\/","title":{"rendered":"H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a so v\u1edbi h\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i: Ch\u1ecdn h\u1ed9p ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n"},"content":{"rendered":"<h2 class=\"wp-block-heading\">H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a so v\u1edbi h\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i: Ch\u1ecdn h\u1ed9p ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n<\/h2>\n\n<h2 class=\"wp-block-heading\">T\u00ecm hi\u1ec3u v\u1ec1 h\u1ed9p \u0111i\u1ec7n<\/h2>\n\n<p>H\u1ed9p \u0111i\u1ec7n l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u00e0o, \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m n\u1ed1i cho c\u00e1p \u0111i\u1ec7n v\u00e0 cung c\u1ea5p gi\u00e1 \u0111\u1ee1 cho \u1ed5 c\u1eafm, c\u00f4ng t\u1eafc v\u00e0 \u0111\u1ed3 \u0111\u1ea1c chi\u1ebfu s\u00e1ng. Ch\u00fang c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i h\u1ed9p \u0111i\u1ec7n<\/h2>\n\n<p>C\u00f3 hai lo\u1ea1i h\u1ed9p \u0111i\u1ec7n ch\u00ednh: h\u1ed9p b\u1eb1ng nh\u1ef1a v\u00e0 h\u1ed9p b\u1eb1ng kim lo\u1ea1i. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n<h2 class=\"wp-block-heading\">H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>Nh\u1eb9 v\u00e0 d\u1ec5 x\u1eed l\u00fd<\/li>\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/li>\n<li>Kh\u00f4ng c\u00f3 c\u1ea1nh s\u1eafc<\/li>\n<li>K\u1eb9p t\u00edch h\u1ee3p \u0111\u1ec3 g\u1eafn c\u00e1p<\/li>\n<li>D\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh b\u1eb1ng l\u1ed7 \u0111\u1ed9t<\/li>\n<\/ul><\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>C\u00f3 th\u1ec3 cong v\u00eanh ho\u1eb7c n\u1ee9t d\u01b0\u1edbi \u00e1p l\u1ef1c<\/li>\n<li>Kh\u00f4ng an to\u00e0n b\u1eb1ng h\u1ed9p kim lo\u1ea1i<\/li>\n<li>C\u00f3 th\u1ec3 kh\u00f4ng cung c\u1ea5p \u0111\u1ee7 n\u1ed1i \u0111\u1ea5t<\/li>\n<\/ul><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">H\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>Ch\u1eafc ch\u1eafn v\u00e0 b\u1ec1n<\/li>\n<li>Ch\u1ed1ng ch\u00e1y<\/li>\n<li>C\u00f3 th\u1ec3 n\u1ed1i \u0111\u1ea5t<\/li>\n<li>C\u00f3 th\u1ec3 gh\u00e9p n\u1ed1i \u0111\u1ec3 c\u00f3 nhi\u1ec1u k\u1ebft n\u1ed1i<\/li>\n<\/ul><\/li>\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\n<ul>\n<li>N\u1eb7ng h\u01a1n v\u00e0 kh\u00f3 x\u1eed l\u00fd h\u01a1n<\/li>\n<li>\u0110\u1eaft h\u01a1n h\u1ed9p nh\u1ef1a<\/li>\n<li>C\u00e1c c\u1ea1nh s\u1eafc c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m<\/li>\n<li>Y\u00eau c\u1ea7u k\u1eb9p ri\u00eang \u0111\u1ec3 g\u1eafn c\u00e1p<\/li>\n<\/ul><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o s\u1eed d\u1ee5ng h\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a<\/h2>\n\n<p>H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Khi s\u1eed d\u1ee5ng c\u00e1p Romex (NM) c\u00f3 v\u1ecf b\u1ecdc b\u1eb1ng nh\u1ef1a<\/li>\n<li>Khi n\u1ed1i \u0111\u1ea5t \u0111\u1ed9c l\u1eadp v\u1edbi h\u1ed9p<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u0169 ho\u1eb7c c\u1ea3i t\u1ea1o, trong \u0111\u00f3 h\u1ed9p \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o v\u00e1ch th\u1ea1ch cao<\/li>\n<li>Khi \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp ph\u1ee7 t\u01b0\u1eddng kh\u00f4ng x\u00e1c \u0111\u1ecbnh (c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u1ed9p nh\u1ef1a c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh)<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c th\u1ee3 \u0111i\u1ec7n t\u1ef1 l\u00e0m th\u00edch s\u1ef1 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o s\u1eed d\u1ee5ng h\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i<\/h2>\n\n<p>H\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Khi s\u1eed d\u1ee5ng c\u00e1p c\u00f3 v\u1ecf b\u1ecdc kim lo\u1ea1i (c\u00e1p BX) ho\u1eb7c \u1ed1ng d\u1eabn kim lo\u1ea1i<\/li>\n<li>Khi n\u1ed1i \u0111\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ed9p<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed ti\u1ebfp x\u00fac, trong \u0111\u00f3 h\u1ed9p kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp l\u00f5m v\u00e0o t\u01b0\u1eddng<\/li>\n<li>\u0110\u1ed1i v\u1edbi gi\u00e1 \u0111\u1ee1 bu l\u00f4ng ch\u1ee9 kh\u00f4ng ph\u1ea3i gi\u00e1 \u0111\u1ee1 v\u00e1ch th\u1ea1ch cao<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh gh\u00e9p n\u1ed1i, trong \u0111\u00f3 c\u1ea7n k\u1ebft n\u1ed1i nhi\u1ec1u h\u1ed9p<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c th\u1ee3 \u0111i\u1ec7n t\u1ef1 l\u00e0m c\u00f3 kinh nghi\u1ec7m ho\u1eb7c th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng c\u00e2n nh\u1eafc kh\u00e1c<\/h2>\n\n<h2 class=\"wp-block-heading\">H\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>H\u1ed9p kim lo\u1ea1i cung c\u1ea5p kh\u1ea3 n\u0103ng g\u1eafn ch\u1eafc ch\u1eafn h\u01a1n v\u00e0o c\u00e1c bu l\u00f4ng, l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c v\u1eadt n\u1eb7ng nh\u01b0 qu\u1ea1t tr\u1ea7n ho\u1eb7c \u0111\u1ed3 \u0111\u1ea1c chi\u1ebfu s\u00e1ng.<\/li>\n<li>Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi d\u00e2y Romex ho\u1eb7c NM, nh\u01b0ng ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u1ed1i \u0111\u1ea5t \u0111\u00fang c\u00e1ch.<\/li>\n<li>M\u1ed9t s\u1ed1 h\u1ed9p kim lo\u1ea1i c\u00f3 k\u1eb9p \u0111\u01b0\u1ee3c g\u1eafn s\u1eb5n \u0111\u1ec3 k\u1eb9p c\u00e1p \u0111i\u1ec7n, trong khi nh\u1eefng h\u1ed9p kh\u00e1c y\u00eau c\u1ea7u k\u1eb9p ri\u00eang.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>H\u1ed9p nh\u1ef1a nh\u1eb9 v\u00e0 d\u1ec5 l\u00e0m vi\u1ec7c, gi\u00fap ch\u00fang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n t\u1ef1 l\u00e0m.<\/li>\n<li>Ch\u00fang th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi k\u1eb9p t\u00edch h\u1ee3p cho d\u00e2y \u0111i\u1ec7n, gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n b\u1ed5 sung.<\/li>\n<li>H\u1ed9p c\u1ea3i t\u1ea1o ho\u1eb7c c\u00f4ng tr\u00ecnh c\u0169 c\u00f3 c\u00e1c c\u00e1nh \u0111\u1ec3 g\u1eafn v\u00e0o v\u00e1ch th\u1ea1ch cao khi kh\u00f4ng c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o bu l\u00f4ng.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 l\u1eafp \u0111\u1eb7t h\u1ed9p \u0111i\u1ec7n<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>N\u1ebfu m\u1ed9t h\u1ed9p nh\u1ef1a b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c n\u1ee9t, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i thay th\u1ebf h\u1ed9p \u0111\u00f3.<\/li>\n<li>K\u1eb9p c\u1eeda \u0111\u01b0\u1ee3c g\u1eafn s\u1eb5n tr\u00ean h\u1ed9p nh\u1ef1a \u0111\u00f4i khi c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n khi th\u00e1o c\u00e1p.<\/li>\n<li>C\u00e1c h\u1ed9p c\u1ea3i t\u1ea1o ho\u1eb7c h\u1ed9p c\u0169 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o v\u00e1ch th\u1ea1ch cao c\u00f3 th\u1ec3 b\u1ecb tu\u1ed9t ra v\u00e0 v\u1ee1 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u00fang c\u00e1ch.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn h\u1ed9p \u0111i\u1ec7n ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, y\u00eau c\u1ea7u n\u1ed1i \u0111\u1ea5t v\u00e0 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t. H\u1ed9p nh\u1ef1a nh\u1eb9, ti\u1ebft ki\u1ec7m v\u00e0 d\u1ec5 l\u00e0m vi\u1ec7c, trong khi h\u1ed9p kim lo\u1ea1i ch\u1eafc ch\u1eafn h\u01a1n, an to\u00e0n h\u01a1n v\u00e0 c\u00f3 th\u1ec3 n\u1ed1i \u0111\u1ea5t. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u1ed9p \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a so v\u1edbi h\u1ed9p \u0111i\u1ec7n b\u1eb1ng kim lo\u1ea1i: Ch\u1ecdn h\u1ed9p ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n T\u00ecm hi\u1ec3u v\u1ec1 h\u1ed9p \u0111i\u1ec7n H\u1ed9p \u0111i\u1ec7n l\u00e0 th\u00e0nh ph\u1ea7n&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[8820,9796,10979,10980],"class_list":["post-6529","post","type-post","status-publish","format-standard","hentry","category-electrical-engineering","tag-home-improvement","tag-electrical-wiring","tag-electrical-boxes","tag-diy-electrical"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=6529"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6529\/revisions"}],"predecessor-version":[{"id":6530,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6529\/revisions\/6530"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=6529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=6529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=6529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}