{"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\/cs\/science\/electrical-engineering\/choosing-the-right-electrical-box-plastic-vs-metal\/","title":{"rendered":"Plastov\u00e9 vs. kovov\u00e9 elektrick\u00e9 krabice: Jak vybrat tu spr\u00e1vnou pro v\u00e1\u0161 projekt"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Plastov\u00e9 vs. kovov\u00e9 elektrick\u00e9 krabice: V\u00fdb\u011br t\u00e9 spr\u00e1vn\u00e9 pro v\u00e1\u0161 projekt<\/h2>\n\n<h2 class=\"wp-block-heading\">Porozum\u011bn\u00ed elektrick\u00fdm krabic\u00edm<\/h2>\n\n<p>Elektrick\u00e9 krabice jsou nezbytn\u00fdmi sou\u010d\u00e1stmi ka\u017ed\u00e9ho elektrick\u00e9ho syst\u00e9mu, slou\u017e\u00ed jako spojovac\u00ed body pro elektrick\u00e9 kabely a poskytuj\u00ed podporu z\u00e1suvk\u00e1m, vyp\u00edna\u010d\u016fm a sv\u00edtidl\u016fm. Dod\u00e1vaj\u00ed se v r\u016fzn\u00fdch velikostech a tvarech, aby vyhovovaly r\u016fzn\u00fdm aplikac\u00edm.<\/p>\n\n<h2 class=\"wp-block-heading\">Typy elektrick\u00fdch krabic<\/h2>\n\n<p>Existuj\u00ed dva hlavn\u00ed typy elektrick\u00fdch krabic: plastov\u00e9 a kovov\u00e9. Ka\u017ed\u00fd typ m\u00e1 sv\u00e9 v\u00fdhody a nev\u00fdhody, d\u00edky \u010demu\u017e je vhodn\u00fd pro konkr\u00e9tn\u00ed aplikace.<\/p>\n\n<h2 class=\"wp-block-heading\">Plastov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00fdhody:<\/strong>\n<ul>\n<li>Lehk\u00e9 a snadno se s nimi manipuluje<\/li>\n<li>Ekonomick\u00e9<\/li>\n<li>Bez ostr\u00fdch hran<\/li>\n<li>Vestav\u011bn\u00e9 svorky pro p\u0159ipojen\u00ed kabelu<\/li>\n<li>Snadn\u00e1 \u00faprava v\u00fdvod\u016f<\/li>\n<\/ul><\/li>\n<li><strong>Nev\u00fdhody:<\/strong>\n<ul>\n<li>Mohou se zdeformovat nebo prasknout pod tlakem<\/li>\n<li>Nejsou tak bezpe\u010dn\u00e9 jako kovov\u00e9 krabice<\/li>\n<li>Nemus\u00ed poskytovat dostate\u010dn\u00e9 uzemn\u011bn\u00ed<\/li>\n<\/ul><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Kovov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00fdhody:<\/strong>\n<ul>\n<li>Siln\u00e9 a odoln\u00e9<\/li>\n<li>Ohnivzdorn\u00e9<\/li>\n<li>Lze uzemnit<\/li>\n<li>Mo\u017enost spojov\u00e1n\u00ed pro v\u00edce p\u0159ipojen\u00ed<\/li>\n<\/ul><\/li>\n<li><strong>Nev\u00fdhody:<\/strong>\n<ul>\n<li>T\u011b\u017e\u0161\u00ed a obt\u00ed\u017en\u011bj\u0161\u00ed manipulace<\/li>\n<li>Dra\u017e\u0161\u00ed ne\u017e plastov\u00e9 krabice<\/li>\n<li>Ostr\u00e9 hrany mohou b\u00fdt nebezpe\u010dn\u00e9<\/li>\n<li>Vy\u017eaduj\u00ed samostatn\u00e9 svorky pro p\u0159ipojen\u00ed kabelu<\/li>\n<\/ul><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Kdy pou\u017e\u00edt plastov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<p>Plastov\u00e9 elektrick\u00e9 krabice se obvykle pou\u017e\u00edvaj\u00ed v n\u00e1sleduj\u00edc\u00edch situac\u00edch:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>P\u0159i pou\u017eit\u00ed kabelu Romex (NM), kter\u00fd m\u00e1 plastov\u00fd pl\u00e1\u0161\u0165<\/li>\n<li>Kdy\u017e je uzemn\u011bn\u00ed nez\u00e1visl\u00e9 na krabici<\/li>\n<li>U star\u0161\u00edch prac\u00ed nebo p\u0159estaveb, kde je krabice p\u0159ipevn\u011bna ke s\u00e1drokartonu<\/li>\n<li>Kdy\u017e je tlou\u0161\u0165ka oblo\u017een\u00ed st\u011bny neur\u010dit\u00e1 (lze pou\u017e\u00edt nastaviteln\u00e9 plastov\u00e9 krabice)\n<ul>\n<li>Kutilsk\u00fdmi elektrik\u00e1\u0159i, kte\u0159\u00ed up\u0159ednost\u0148uj\u00ed snadnou instalaci<\/li>\n<\/ul><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Kdy pou\u017e\u00edt kovov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<p>Kovov\u00e9 elektrick\u00e9 krabice se obvykle pou\u017e\u00edvaj\u00ed v n\u00e1sleduj\u00edc\u00edch situac\u00edch:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>P\u0159i pou\u017eit\u00ed kovov\u00e9ho kabelu (kabel BX) nebo kovov\u00e9ho potrub\u00ed<\/li>\n<li>Kdy\u017e uzemn\u011bn\u00ed z\u00e1vis\u00ed na krabici<\/li>\n<li>V exponovan\u00fdch m\u00edstech, kde krabice nen\u00ed zapu\u0161t\u011bn\u00e1 do zdi<\/li>\n<li>Pro p\u0159ipevn\u011bn\u00ed na sloupky sp\u00ed\u0161e ne\u017e na s\u00e1drokarton<\/li>\n<li>V p\u0159\u00edpad\u011b spojovac\u00edch instalac\u00ed, kde je t\u0159eba p\u0159ipojit v\u00edce krabic<\/li>\n<li>Zku\u0161en\u00fdmi kutily nebo licencovan\u00fdmi elektrik\u00e1\u0159i<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed \u00favahy<\/h2>\n\n<h2 class=\"wp-block-heading\">Kovov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Kovov\u00e9 krabice poskytuj\u00ed pevn\u011bj\u0161\u00ed p\u0159ipevn\u011bn\u00ed ke sloupk\u016fm, co\u017e je \u010din\u00ed ide\u00e1ln\u00ed pro t\u011b\u017ek\u00e9 p\u0159edm\u011bty, jako jsou stropn\u00ed ventil\u00e1tory nebo sv\u00edtidla.<\/li>\n<li>Lze je pou\u017e\u00edt s kabel\u00e1\u017e\u00ed Romex nebo NM, ale pro zaji\u0161t\u011bn\u00ed spr\u00e1vn\u00e9ho uzemn\u011bn\u00ed je nutn\u00e9 p\u0159ijmout zvl\u00e1\u0161tn\u00ed opat\u0159en\u00ed.<\/li>\n<li>N\u011bkter\u00e9 kovov\u00e9 krabice maj\u00ed p\u0159edem p\u0159ipevn\u011bn\u00e9 svorky pro uchycen\u00ed elektrick\u00e9ho kabelu, zat\u00edmco jin\u00e9 vy\u017eaduj\u00ed samostatn\u00e9 svorky.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Plastov\u00e9 elektrick\u00e9 krabice<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Plastov\u00e9 krabice jsou lehk\u00e9 a snadno se s nimi pracuje, co\u017e je \u010din\u00ed obl\u00edben\u00fdmi pro kutilsk\u00e9 projekty.<\/li>\n<li>\u010casto se dod\u00e1vaj\u00ed s vestav\u011bn\u00fdmi svorkami pro kabely, co\u017e eliminuje pot\u0159ebu dal\u0161\u00edch komponent.<\/li>\n<li>Star\u00e9 nebo p\u0159estav\u011bn\u00e9 krabice maj\u00ed k\u0159\u00eddla pro p\u0159ipevn\u011bn\u00ed ke s\u00e1drokartonu, pokud nen\u00ed p\u0159\u00edstup ke sloupku.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u0158e\u0161en\u00ed probl\u00e9m\u016f s instalac\u00ed elektrick\u00fdch krabic<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Pokud se plastov\u00e1 krabice zdeformuje nebo praskne, m\u016f\u017ee b\u00fdt nutn\u00e9 ji vym\u011bnit.<\/li>\n<li>P\u0159edp\u0159ipevn\u011bn\u00e9 svorky dve\u0159\u00ed na plastov\u00fdch krabic\u00edch mohou n\u011bkdy zt\u011b\u017eovat vyjmut\u00ed kabel\u016f.<\/li>\n<li>Star\u00e9 nebo p\u0159estav\u011bn\u00e9 krabice p\u0159ipevn\u011bn\u00e9 ke s\u00e1drokartonu se mohou utrhnout a rozb\u00edt, pokud nejsou spr\u00e1vn\u011b podep\u0159eny.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9 elektrick\u00e9 krabice pro v\u00e1\u0161 projekt z\u00e1vis\u00ed na typu kabel\u00e1\u017ee, po\u017eadavc\u00edch na uzemn\u011bn\u00ed a m\u00edst\u011b instalace. Plastov\u00e9 krabice jsou lehk\u00e9, ekonomick\u00e9 a snadno se s nimi pracuje, zat\u00edmco kovov\u00e9 krabice jsou pevn\u011bj\u0161\u00ed, bezpe\u010dn\u011bj\u0161\u00ed a lze je uzemnit. Porozum\u011bn\u00edm rozd\u00edl\u016fm mezi t\u011bmito dv\u011bma typy m\u016f\u017eete u\u010dinit informovan\u00e9 rozhodnut\u00ed, kter\u00e9 vyhov\u00ed pot\u0159eb\u00e1m va\u0161eho projektu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Plastov\u00e9 vs. kovov\u00e9 elektrick\u00e9 krabice: V\u00fdb\u011br t\u00e9 spr\u00e1vn\u00e9 pro v\u00e1\u0161 projekt Porozum\u011bn\u00ed elektrick\u00fdm krabic\u00edm Elektrick\u00e9 krabice jsou nezbytn\u00fdmi sou\u010d\u00e1stmi ka\u017ed\u00e9ho elektrick\u00e9ho syst\u00e9mu, slou\u017e\u00ed jako spojovac\u00ed body pro elektrick\u00e9 kabely a&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":[10979,9796,10980,8820],"class_list":["post-6529","post","type-post","status-publish","format-standard","hentry","category-electrical-engineering","tag-electrical-boxes","tag-electrical-wiring","tag-diy-electrical","tag-home-improvement"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=6529"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6529\/revisions"}],"predecessor-version":[{"id":6530,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/6529\/revisions\/6530"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=6529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=6529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=6529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}