{"id":1577,"date":"2024-12-27T20:51:33","date_gmt":"2024-12-27T12:51:33","guid":{"rendered":"https:\/\/led.amasly.com\/?p=1577"},"modified":"2024-12-28T14:52:43","modified_gmt":"2024-12-28T06:52:43","slug":"requirements-for-the-non-metallic-enclosures-and-non-metallic-parts-of-enclosures-in-explosion-proof-lamps-and-explosion-proof-equipment-for-the-attached-external-conductive-parts","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/cs\/explosion-proof-equipment\/requirements-for-the-non-metallic-enclosures-and-non-metallic-parts-of-enclosures-in-explosion-proof-lamps-and-explosion-proof-equipment-for-the-attached-external-conductive-parts\/","title":{"rendered":"Po\u017eadavky na nekovov\u00e9 kryty a nekovov\u00e9 \u010d\u00e1sti kryt\u016f u nev\u00fdbu\u0161n\u00fdch sv\u00edtidel a nev\u00fdbu\u0161n\u00fdch za\u0159\u00edzen\u00ed pro p\u0159ipojen\u00e9 vn\u011bj\u0161\u00ed vodiv\u00e9 \u010d\u00e1sti"},"content":{"rendered":"

I. Stanoven\u00ed a metody zkou\u0161en\u00ed vn\u011bj\u0161\u00edch vodiv\u00fdch \u010d\u00e1st\u00ed p\u0159ipojen\u00fdch ke spot\u0159ebi\u010di <\/p>\n\n\n\n

Vn\u011bj\u0161\u00ed vodiv\u00e9 \u010d\u00e1sti, kter\u00e9 jsou p\u0159ipevn\u011bny k nekovov\u00e9mu krytu nebo jsou jeho sou\u010d\u00e1st\u00ed a maj\u00ed zemn\u00ed odpor vy\u0161\u0161\u00ed ne\u017e 1 G\u03a9 p\u0159i m\u011b\u0159en\u00ed p\u0159i stejnosm\u011brn\u00e9m nap\u011bt\u00ed (500 \u00b1 25) V, a \u010d\u00e1sti, kter\u00e9 jsou n\u00e1chyln\u00e9 ke statick\u00e9mu n\u00e1boji, kter\u00fd se m\u016f\u017ee st\u00e1t zdrojem vzn\u00edcen\u00ed, jako jsou jmenovky apod. <\/p>\n\n\n\n

Kapacita t\u011bchto sou\u010d\u00e1st\u00ed se stanov\u00ed v souladu se zku\u0161ebn\u00edmi metodami uveden\u00fdmi v p\u0159\u00edslu\u0161n\u00fdch bodech. <\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

II. Po\u017eadavky na ostatn\u00ed za\u0159\u00edzen\u00ed s v\u00fdjimkou p\u0159enosn\u00fdch nebo individu\u00e1ln\u00edch za\u0159\u00edzen\u00ed <\/p>\n\n\n\n

Pokud nam\u011b\u0159en\u00e1 kapacita kter\u00e9koli vodiv\u00e9 \u010d\u00e1sti p\u0159ekro\u010d\u00ed hodnoty uveden\u00e9 v tabulce 11, mus\u00ed b\u00fdt za\u0159\u00edzen\u00ed ozna\u010deno p\u0159\u00edslu\u0161n\u00fdm symbolem \u201cX\u201d a ve zvl\u00e1\u0161tn\u00edch podm\u00ednk\u00e1ch pou\u017eit\u00ed mus\u00ed b\u00fdt uvedena nam\u011b\u0159en\u00e1 hodnota kapacity, aby u\u017eivatel mohl ur\u010dit pou\u017eitelnost v konkr\u00e9tn\u00edch aplikac\u00edch. Vn\u011bj\u0161\u00ed vodiv\u00e9 \u010d\u00e1sti um\u00edst\u011bn\u00e9 v takov\u00e9 poloze, \u017ee se nep\u0159edpokl\u00e1d\u00e1 jejich vyb\u00edjen\u00ed do bl\u00ed\u017e\u00edc\u00edch se uzemn\u011bn\u00fdch p\u0159edm\u011bt\u016f, se nemus\u00ed zkou\u0161et. <\/p>\n\n\n\n

Pozn\u00e1mka: \u2460 Obecn\u011b se p\u0159edpokl\u00e1d\u00e1, \u017ee kapacita neuzemn\u011bn\u00fdch kovov\u00fdch spojovac\u00edch prvk\u016f, jako jsou kryc\u00ed \u0161rouby, nep\u0159es\u00e1hne 3 pF. \u2461 U za\u0159\u00edzen\u00ed t\u0159\u00eddy III ur\u010den\u00fdch pro pou\u017eit\u00ed v potrub\u00ed, kde se m\u016f\u017ee vyskytovat rychle se pohybuj\u00edc\u00ed prach, se uva\u017euje o ni\u017e\u0161\u00ed mezn\u00ed hodnot\u011b kapacity.<\/p>","protected":false},"excerpt":{"rendered":"

I. Determination and Testing Methods for External Conductive Parts Attached to the Appliance External conductive parts that are attached to or form part of a non-metallic enclosure and have a ground resistance exceeding 1 G\u03a9 when measured at (500 \u00b1 25) V d.c., and parts that are susceptible to static charges that may become ignition […]<\/p>\n","protected":false},"author":1,"featured_media":1122,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","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":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",300,300,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/07\/Explosion-proof-linear-fluorescence-lights.png",12,12,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"I. Determination and Testing Methods for External Conductive Parts Attached to the Appliance External conductive parts that are attached to or form part of a non-metallic enclosure and have a ground resistance exceeding 1 G\u03a9 when measured at (500 \u00b1 25) V d.c., and parts that are susceptible to static charges that may become ignition…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=1577"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1577\/revisions"}],"predecessor-version":[{"id":1579,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1577\/revisions\/1579"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media\/1122"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=1577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=1577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=1577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}