{"id":10915,"date":"2022-09-03T23:30:15","date_gmt":"2022-09-03T23:30:15","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=10915"},"modified":"2022-09-03T23:30:15","modified_gmt":"2022-09-03T23:30:15","slug":"proper-heights-for-electrical-wall-switches","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/life\/home-and-garden\/proper-heights-for-electrical-wall-switches\/","title":{"rendered":"Chi\u1ec1u cao ph\u00f9 h\u1ee3p cho \u1ed5 c\u1eafm \u0111i\u1ec7n tr\u00ean t\u01b0\u1eddng"},"content":{"rendered":"

Chi\u1ec1u cao th\u00edch h\u1ee3p c\u1ee7a c\u00f4ng t\u1eafc \u0111i\u1ec7n tr\u00ean t\u01b0\u1eddng<\/h2>\n\n

Chi\u1ec1u cao ti\u00eau chu\u1ea9n<\/h2>\n\n

Khi l\u1eafp \u0111\u1eb7t c\u00f4ng t\u1eafc \u0111i\u1ec7n tr\u00ean t\u01b0\u1eddng trong c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 \u1edf ti\u00eau chu\u1ea9n, B\u1ed9 lu\u1eadt \u0110i\u1ec7n qu\u1ed1c gia (NEC) kh\u00f4ng n\u00eau r\u00f5 chi\u1ec1u cao ch\u00ednh x\u00e1c. Tuy nhi\u00ean, nh\u1eefng ng\u01b0\u1eddi x\u00e2y d\u1ef1ng v\u00e0 th\u1ee3 \u0111i\u1ec7n th\u01b0\u1eddng tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. C\u00f4ng t\u1eafc \u0111\u00e8n t\u01b0\u1eddng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u1edf \u0111\u1ed9 cao t\u1eeb 48 \u0111\u1ebfn 52 inch so v\u1edbi s\u00e0n nh\u00e0.<\/p>\n\n

Chi\u1ec1u cao ti\u00eau chu\u1ea9n n\u00e0y c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m. N\u00f3 \u1edf trong t\u1ea7m v\u1edbi tho\u1ea3i m\u00e1i \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111ang \u0111\u1ee9ng v\u00e0 gi\u00fap vi\u1ec7c l\u1eafp \u0111\u1eb7t t\u1ea5m t\u01b0\u1eddng th\u1ea1ch cao trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1c t\u1ea5m t\u01b0\u1eddng th\u1ea1ch cao r\u1ed9ng 4 foot ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t theo chi\u1ec1u ngang v\u00e0 c\u00e1c h\u1ed9p c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c l\u1eafp c\u00e1ch s\u00e0n kho\u1ea3ng 48 inch, gi\u00fap vi\u1ec7c \u0111o \u0111\u1ea1c, \u0111\u00e1nh d\u1ea5u v\u00e0 c\u1eaft c\u00e1c t\u1ea5m t\u01b0\u1eddng th\u1ea1ch cao tr\u1edf n\u00ean d\u1ec5 d\u00e0ng.<\/p>\n\n

Nh\u1eefng l\u01b0u \u00fd \u0111\u1eb7c bi\u1ec7t<\/h2>\n\n

C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh chi\u1ec1u cao ti\u00eau chu\u1ea9n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng nhu c\u1ea7u ho\u1eb7c tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3.<\/p>\n\n

\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi khuy\u1ebft t\u1eadt<\/h2>\n\n

\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi khuy\u1ebft t\u1eadt ho\u1eb7c s\u1eed d\u1ee5ng xe l\u0103n, c\u00f4ng t\u1eafc \u1edf \u0111\u1ed9 cao th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 thu\u1eadn ti\u1ec7n h\u01a1n. \u0110\u1ea1o lu\u1eadt Ng\u01b0\u1eddi khuy\u1ebft t\u1eadt Hoa K\u1ef3 (ADA) khuy\u1ebfn ngh\u1ecb ph\u1ea1m vi t\u1eeb 15 \u0111\u1ebfn 48 inch t\u00ednh t\u1eeb s\u00e0n nh\u00e0 \u0111\u1ec3 v\u1edbi t\u1edbi d\u1ec5 d\u00e0ng, bao g\u1ed3m c\u1ea3 c\u00f4ng t\u1eafc \u0111\u00e8n. Nhi\u1ec1u nh\u00e0 x\u00e2y d\u1ef1ng \u0111\u00e3 quen thu\u1ed9c v\u1edbi nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y khuy\u00ean n\u00ean l\u1eafp c\u00f4ng t\u1eafc t\u01b0\u1eddng \u1edf \u0111\u1ed9 cao 36 inch so v\u1edbi s\u00e0n nh\u00e0 \u0111\u1ec3 d\u1ec5 s\u1eed d\u1ee5ng.<\/p>\n\n

C\u00f4ng t\u1eafc tr\u00ean m\u1eb7t b\u00e0n b\u1ebfp<\/h2>\n\n

C\u00e1c c\u00f4ng t\u1eafc l\u1eafp tr\u00ean m\u1eb7t b\u00e0n b\u1ebfp ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp cao h\u01a1n kho\u1ea3ng 4 inch so v\u1edbi m\u1eb7t b\u00e0n. V\u00ec chi\u1ec1u cao ti\u00eau chu\u1ea9n c\u1ee7a t\u1ee7 b\u1ebfp c\u00f3 m\u1eb7t b\u00e0n l\u00e0 kho\u1ea3ng 36 inch n\u00ean \u0111\u00e1y c\u1ee7a h\u1ed9p c\u00f4ng t\u1eafc ph\u1ea3i c\u00e1ch s\u00e0n \u00edt nh\u1ea5t 40 inch \u0111\u1ec3 tr\u00e1nh ch\u1ea1m v\u00e0o m\u1eb7t b\u00e0n. V\u1ecb tr\u00ed ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o v\u1ecb tr\u00ed c\u1ee7a t\u1ee7 b\u1ebfp tr\u00ean.<\/p>\n\n

C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i l\u00f2 s\u01b0\u1edfi<\/h2>\n\n

C\u00f4ng t\u1eafc ng\u1eaft k\u1ebft n\u1ed1i l\u00f2 s\u01b0\u1edfi th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi chi\u1ec1u cao ti\u00eau chu\u1ea9n, t\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch b\u1ed1 tr\u00ed l\u00f2 s\u01b0\u1edfi.<\/p>\n\n

C\u00f4ng t\u1eafc m\u00e1y nghi\u1ec1n r\u00e1c<\/h2>\n\n

C\u00f4ng t\u1eafc m\u00e1y nghi\u1ec1n r\u00e1c l\u1eafp tr\u00ean m\u1eb7t b\u00e0n b\u1ebfp tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c c\u00f4ng t\u1eafc m\u1eb7t b\u00e0n b\u1ebfp kh\u00e1c. N\u1ebfu c\u00f4ng t\u1eafc l\u1eafp d\u01b0\u1edbi b\u1ed3n r\u1eeda, h\u00e3y l\u1eafp c\u00f4ng t\u1eafc \u1edf v\u1ecb tr\u00ed cao nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u vi\u1ec7c ph\u1ea3i c\u00fai xu\u1ed1ng. C\u00e2n nh\u1eafc l\u1eafp th\u00eam m\u1ed9t c\u00f4ng t\u1eafc ri\u00eang cho m\u00e1y r\u1eeda b\u00e1t \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u1eaft m\u00e1y khi b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n\n

B\u1ed3n t\u1eafm n\u01b0\u1edbc n\u00f3ng ho\u1eb7c b\u1ed3n t\u1eafm c\u00f3 v\u00f2i phun<\/h2>\n\n

NEC y\u00eau c\u1ea7u c\u00e1c c\u00f4ng t\u1eafc h\u1eb9n gi\u1edd cho b\u1ed3n t\u1eafm n\u01b0\u1edbc n\u00f3ng ho\u1eb7c b\u1ed3n t\u1eafm c\u00f3 v\u00f2i phun ph\u1ea3i c\u00e1ch b\u1ed3n \u00edt nh\u1ea5t 5 foot \u0111\u1ec3 tr\u00e1nh v\u00f4 t\u00ecnh ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc. Ngo\u00e0i ra, l\u1eafp c\u00f4ng t\u1eafc cao h\u01a1n chi\u1ec1u cao ti\u00eau chu\u1ea9n t\u1eeb 48 \u0111\u1ebfn 52 inch c\u00f3 th\u1ec3 gi\u00fap ng\u0103n tr\u1ebb em b\u1eadt b\u1ed3n t\u1eafm.<\/p>\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n

H: C\u00f3 quy \u0111\u1ecbnh ho\u1eb7c h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 n\u00e0o v\u1ec1 chi\u1ec1u cao c\u00f4ng t\u1eafc \u0111\u00e8n kh\u00f4ng?<\/h2>\n\n

\u0110: M\u1eb7c d\u00f9 NEC kh\u00f4ng n\u00eau r\u00f5 chi\u1ec1u cao ch\u00ednh x\u00e1c, m\u1ed9t s\u1ed1 quy \u0111\u1ecbnh c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng c\u00f3 th\u1ec3 c\u00f3 h\u01b0\u1edbng d\u1eabn ri\u00eang. B\u1ea1n n\u00ean li\u00ean h\u1ec7 v\u1edbi ph\u00f2ng c\u1ea5p ph\u00e9p \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 bi\u1ebft c\u00e1c y\u00eau c\u1ea7u t\u1ea1i khu v\u1ef1c c\u1ee7a m\u00ecnh.<\/p>\n\n

H: V\u1ecb tr\u00ed t\u1ed1i \u01b0u \u0111\u1ec3 l\u1eafp c\u00f4ng t\u1eafc \u0111\u00e8n trong ph\u00f2ng l\u00e0 \u1edf \u0111\u00e2u?<\/h2>\n\n

\u0110: V\u1ecb tr\u00ed l\u00fd t\u01b0\u1edfng l\u00e0 c\u1ea1nh c\u1eeda ra v\u00e0o \u1edf ph\u00eda ch\u1ed1t c\u1eeda, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng b\u1eadt\/t\u1eaft \u0111\u00e8n khi v\u00e0o ho\u1eb7c ra kh\u1ecfi ph\u00f2ng.<\/p>\n\n

H: H\u01b0\u1edbng d\u1eabn c\u1ee7a ADA v\u1ec1 chi\u1ec1u cao c\u00f4ng t\u1eafc l\u00e0 g\u00ec?<\/h2>\n\n

\u0110: ADA khuy\u1ebfn ngh\u1ecb ph\u1ea1m vi t\u1eeb 15 \u0111\u1ebfn 48 inch t\u00ednh t\u1eeb s\u00e0n nh\u00e0 \u0111\u1ec3 v\u1edbi t\u1edbi d\u1ec5 d\u00e0ng, bao g\u1ed3m c\u1ea3 c\u00f4ng t\u1eafc \u0111\u00e8n. Nh\u1eefng ng\u01b0\u1eddi x\u00e2y d\u1ef1ng th\u01b0\u1eddng l\u1eafp c\u00f4ng t\u1eafc \u1edf \u0111\u1ed9 cao 36 inch \u0111\u1ec3 d\u1ec5 s\u1eed d\u1ee5ng.<\/p>","protected":false},"excerpt":{"rendered":"

Chi\u1ec1u cao th\u00edch h\u1ee3p c\u1ee7a c\u00f4ng t\u1eafc \u0111i\u1ec7n tr\u00ean t\u01b0\u1eddng Chi\u1ec1u cao ti\u00eau chu\u1ea9n Khi l\u1eafp \u0111\u1eb7t c\u00f4ng t\u1eafc \u0111i\u1ec7n tr\u00ean t\u01b0\u1eddng trong c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 \u1edf ti\u00eau chu\u1ea9n,…<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8825],"tags":[8840,8820,9237,8479,14950],"class_list":["post-10915","post","type-post","status-publish","format-standard","hentry","category-home-and-garden","tag-electrical-safety","tag-home-improvement","tag-building-codes","tag-interior-design","tag-ada-compliance"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10915","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=10915"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10915\/revisions"}],"predecessor-version":[{"id":10916,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/10915\/revisions\/10916"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=10915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=10915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=10915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}