![\"\"](\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png\" "\\"uzemn\u011bn\u00ed")
<\/figure><\/div>\n\n\n\nNastaven\u00ed uzem\u0148ovac\u00edho vodi\u010de pro elektrick\u00e1 za\u0159\u00edzen\u00ed by se m\u011blo li\u0161it podle r\u016fzn\u00fdch nebezpe\u010dn\u00fdch oblast\u00ed a typ\u016f elektrick\u00fdch za\u0159\u00edzen\u00ed. Kovov\u00e9 kryty v\u0161ech elektrick\u00fdch za\u0159\u00edzen\u00ed ve v\u00fdbu\u0161n\u00e9m prost\u0159ed\u00ed, bez ohledu na to, zda jsou instalov\u00e1ny na uzemn\u011bn\u00fdch kovov\u00fdch konstrukc\u00edch, by m\u011bly b\u00fdt uzemn\u011bny. P\u0159\u00edslu\u0161n\u00e9 po\u017eadavky jsou n\u00e1sleduj\u00edc\u00ed: <\/p>\n\n\n\n
1) V\u0161echna elektrick\u00e1 za\u0159\u00edzen\u00ed ve v\u00fdbu\u0161n\u00e9m prost\u0159ed\u00ed z\u00f3ny 1, z\u00f3ny 20 a z\u00f3ny 21, jako\u017e i v\u0161echna elektrick\u00e1 za\u0159\u00edzen\u00ed s v\u00fdjimkou sv\u00edtidel ve v\u00fdbu\u0161n\u00e9m prost\u0159ed\u00ed z\u00f3ny 2 a z\u00f3ny 22, by m\u011bla m\u00edt p\u0159id\u00e1ny zvl\u00e1\u0161tn\u00ed uzem\u0148ovac\u00ed vodi\u010de. Pozn\u00e1mka: Pokud je vyhrazen\u00fd zemnic\u00ed vodi\u010d ulo\u017een ve stejn\u00e9m ochrann\u00e9m potrub\u00ed jako f\u00e1zov\u00fd vodi\u010d, m\u011bl by m\u00edt stejnou \u00farove\u0148 izolace jako f\u00e1zov\u00fd vodi\u010d. <\/p>\n\n\n\n
2) U sv\u00edtidel ve v\u00fdbu\u0161n\u00e9m prost\u0159ed\u00ed z\u00f3ny 2 a z\u00f3ny 22 lze jako uzem\u0148ovac\u00ed vodi\u010d pou\u017e\u00edt spolehliv\u00fd kovov\u00fd potrubn\u00ed syst\u00e9m elektrick\u00e9ho p\u0159ipojen\u00ed, ale nelze pou\u017e\u00edt potrub\u00ed pro dopravu v\u00fdbu\u0161n\u00fdch nebezpe\u010dn\u00fdch l\u00e1tek. <\/p>\n\n\n\n
3) Vyhrazen\u00e9 uzem\u0148ovac\u00ed vodi\u010de pro elektrick\u00e1 za\u0159\u00edzen\u00ed a sv\u00edtidla by m\u011bly b\u00fdt samostatn\u011b p\u0159ipojeny k hlavn\u00edmu uzemn\u011bn\u00ed (s\u00edti) a pracovn\u00ed nulov\u00fd vodi\u010d v elektrick\u00e9m obvodu by nem\u011bl b\u00fdt pou\u017e\u00edv\u00e1n jako ochrann\u00fd uzem\u0148ovac\u00ed vodi\u010d. <\/p>\n\n\n\n
4) Spojen\u00ed mezi elektrick\u00fdm za\u0159\u00edzen\u00edm v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu a uzem\u0148ovac\u00edm vodi\u010dem by m\u011blo b\u00fdt p\u0159ednostn\u011b provedeno v\u00edce\u017eilov\u00fdm ohebn\u00fdm lankov\u00fdm vodi\u010dem, p\u0159i\u010dem\u017e minim\u00e1ln\u00ed pr\u016f\u0159ez m\u011bd\u011bn\u00e9ho vodi\u010de by nem\u011bl b\u00fdt men\u0161\u00ed ne\u017e 4 mm\u00b2. Na \u010d\u00e1stech n\u00e1chyln\u00fdch k mechanick\u00e9mu po\u0161kozen\u00ed by m\u011bly b\u00fdt instalov\u00e1ny ochrann\u00e9 trubky. <\/p>\n\n\n\n
5) P\u0159i zav\u00e1d\u011bn\u00ed panc\u00e9\u0159ov\u00fdch kabel\u016f do elektrick\u00e9ho za\u0159\u00edzen\u00ed by m\u011bl b\u00fdt uzem\u0148ovac\u00ed vodi\u010d p\u0159ipojen k uzem\u0148ovac\u00edmu \u0161roubu uvnit\u0159 za\u0159\u00edzen\u00ed; ocelov\u00e1 p\u00e1ska a kovov\u00fd kryt by m\u011bly b\u00fdt p\u0159ipojeny k vn\u011bj\u0161\u00edmu uzem\u0148ovac\u00edmu \u0161roubu za\u0159\u00edzen\u00ed. <\/p>\n\n\n\n
6) \u0160rouby pou\u017e\u00edvan\u00e9 pro uzemn\u011bn\u00ed nebo nulov\u00e9 spojen\u00ed v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu by m\u011bly b\u00fdt opat\u0159eny za\u0159\u00edzen\u00edm proti uvoln\u011bn\u00ed; p\u0159ed uta\u017een\u00edm uzem\u0148ovac\u00edho vodi\u010de by m\u011bly b\u00fdt uzem\u0148ovac\u00ed svorky a spojovac\u00ed prvky nat\u0159eny mazac\u00edm tukem. <\/p>\n\n\n\n
Existuje mnoho po\u017eadavk\u016f na uzemn\u011bn\u00ed elektrick\u00fdch za\u0159\u00edzen\u00ed v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu. P\u0159i n\u00e1vrhu a instalaci je t\u0159eba krom\u011b spln\u011bn\u00ed v\u00fd\u0161e uveden\u00fdch po\u017eadavk\u016f dodr\u017eovat tak\u00e9 p\u0159\u00edslu\u0161n\u00e9 normy.<\/p>","protected":false},"excerpt":{"rendered":"
In explosive hazardous environments, the exposed non-charged metal parts of electrical equipment such as the metal enclosures, metal frameworks, equipment installed on grounded metal structures, metal piping and its fittings, cable protection conduits, and the metal sheaths of cables, etc., should all be grounded. Many standards have made clear regulations on the grounding requirements for […]<\/p>\n","protected":false},"author":1,"featured_media":1590,"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-1589","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\/12\/grounding-of-explosion-proof-lamps.png",469,305,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps-300x195.png",300,195,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png",469,305,false],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png",469,305,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png",469,305,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png",469,305,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/grounding-of-explosion-proof-lamps.png",18,12,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"In explosive hazardous environments, the exposed non-charged metal parts of electrical equipment such as the metal enclosures, metal frameworks, equipment installed on grounded metal structures, metal piping and its fittings, cable protection conduits, and the metal sheaths of cables, etc., should all be grounded. Many standards have made clear regulations on the grounding requirements for…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1589","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=1589"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1589\/revisions"}],"predecessor-version":[{"id":1591,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1589\/revisions\/1591"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media\/1590"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=1589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=1589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=1589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}