{"id":6748,"date":"2026-08-28T07:13:08","date_gmt":"2026-08-28T07:13:08","guid":{"rendered":"https:\/\/www.wundertricks.com\/?p=6748"},"modified":"2026-08-28T07:13:08","modified_gmt":"2026-08-28T07:13:08","slug":"preco-je-dom-uzemneny-pomocou-trojuholnika-namiesto-jednej-tyce","status":"publish","type":"post","link":"https:\/\/www.wundertricks.com\/?p=6748","title":{"rendered":"Pre\u010do je dom uzemnen\u00fd pomocou trojuholn\u00edka namiesto jednej ty\u010de?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Ak nie ste elektrik\u00e1r, pravdepodobne si predstavujete uzemnenie ako jednu kovov\u00fa ty\u010d zat\u013aknut\u00fa do zeme.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zd\u00e1 sa to logick\u00e9: pr\u00fad by mal tiec\u0165 do zeme, tak\u017ee sta\u010d\u00ed jednoducho zapichn\u00fa\u0165 kus \u017eeleza. Ale v praxi s\u00fa veci ove\u013ea komplikovanej\u0161ie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pre\u010do je v\u00f4bec potrebn\u00e9 uzemnenie?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ke\u010f je izol\u00e1cia po\u0161koden\u00e1, na kryte dom\u00e1ceho spotrebi\u010da sa m\u00f4\u017ee objavi\u0165 nap\u00e4tie. A ak sa ho \u010dlovek dotkne, jeho telo sa stane vodi\u010dom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Potom elektrick\u00fd pr\u00fad bude preteka\u0165 priamo cez osobu, \u010do je nebezpe\u010dn\u00e9 pre \u017eivot a zdravie.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.topsovety.cc\/wp-content\/uploads\/2025\/09\/scale_1200-3-35-500x333-1.jpeg\" alt=\"\" class=\"wp-image-14694\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Uzemnenie je navrhnut\u00e9 tak, aby sa zabezpe\u010dilo, \u017ee v\u00fdboj prejde bezpe\u010dnou cestou \u2013 do zeme, cez uzem\u0148ovac\u00ed obvod, a nie cez telo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aby sa to dosiahlo, mus\u00ed by\u0165 odpor uzem\u0148ovacieho zariadenia \u010do najni\u017e\u0161\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160tandard je do 30 ohmov, ale optim\u00e1lne by sa mal udr\u017eiava\u0165 v rozmedz\u00ed 8 \u2013 10 ohmov. Jedna ty\u010d tak\u00e9to v\u00fdsledky neposkytne, pokia\u013e nie je nain\u0161talovan\u00e1 v mo\u010daristej p\u00f4de.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako skontrolova\u0165 obvod<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V ide\u00e1lnom pr\u00edpade sa pou\u017e\u00edvaj\u00fa \u0161pecializovan\u00e9 meracie pr\u00edstroje (ako napr\u00edklad Sonel MRU-101 alebo TE-30). Tak\u00e9to merania sa v\u0161ak vykon\u00e1vaj\u00fa zriedkavo.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.topsovety.cc\/wp-content\/uploads\/2025\/09\/scale_1200-2-44-500x500-1.jpeg\" alt=\"\" class=\"wp-image-14695\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Existuje zjednodu\u0161en\u00e1 met\u00f3da: pripojte 100-wattov\u00fa \u017eiarovku k f\u00e1zov\u00e9mu vodi\u010du a druh\u00fd koniec k zemi. Ak \u017eiarovka jasne svieti, obvod funguje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pre\u010do si vybra\u0165 trojuholn\u00edk?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elektr\u00f3dy m\u00f4\u017eu by\u0165 usporiadan\u00e9 r\u00f4znymi sp\u00f4sobmi: v rade, v \u0161tvorci, ale elektrik\u00e1ri naj\u010dastej\u0161ie pou\u017e\u00edvaj\u00fa trojuholn\u00edkov\u00e9 usporiadanie. D\u00f4vody s\u00fa jednoduch\u00e9 a praktick\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>na mieste sa nach\u00e1dzaj\u00fa najpohodlnej\u0161ie tri body;<\/li>\n\n\n\n<li>je jednoduch\u0161ie udr\u017eiava\u0165 medzi nimi rovnak\u00fa vzdialenos\u0165 (zvy\u010dajne by mala by\u0165 pribli\u017ene 2,2-n\u00e1sobok d\u013a\u017eky \u010dapu);<\/li>\n\n\n\n<li>Uzavret\u00fd obvod pracuje stabilnej\u0161ie ako priama \u010diara &#8211; pr\u00fad je rozlo\u017een\u00fd rovnomernej\u0161ie a odpor je zn\u00ed\u017een\u00fd.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u013a\u017eka strany trojuholn\u00edka sa spravidla vol\u00ed rovnak\u00e1 ako d\u013a\u017eka samotn\u00fdch ty\u010d\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co pou\u017ei\u0165 a do akej h\u013abky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na uzemnenie sa \u010dasto pou\u017e\u00edva oce\u013eov\u00e1 v\u00fdstu\u017e s priemerom 16 mm alebo kovov\u00fd uholn\u00edk. S uhlom sa \u013eah\u0161ie pracuje, ale h\u013abka by mala by\u0165 aspo\u0148 1,5 metra od dna jamy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V such\u00fdch p\u00f4dach je potrebn\u00fdch e\u0161te viac. Elektr\u00f3dy s\u00fa navz\u00e1jom spojen\u00e9 kovov\u00fdm p\u00e1sikom s rozmermi 40 x 4 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavnou podmienkou je vlhkos\u0165 p\u00f4dy: \u010d\u00edm such\u0161ia je p\u00f4da, t\u00fdm dlh\u0161ie musia by\u0165 uzem\u0148ovacie prvky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co predpisuje GOST?<\/h3>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.topsovety.cc\/wp-content\/uploads\/2025\/09\/scale_1200-58-500x375-1.jpeg\" alt=\"\" class=\"wp-image-14693\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Hoci sa \u010dasto pou\u017e\u00edva v\u00fdstu\u017e, normy ju neodpor\u00fa\u010daj\u00fa: be\u017en\u00fd \u010dierny kov r\u00fdchlo hrdzavie a \u00fa\u010dinnos\u0165 obvodu sa r\u00fdchlo zni\u017euje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pod\u013ea predpisov sa odpor\u00fa\u010da pozinkovan\u00e1 alebo meden\u00e1 oce\u013e. V s\u00fa\u010dasnosti si m\u00f4\u017eete k\u00fapi\u0165 hotov\u00e9 s\u00fapravy: sadu ty\u010d\u00ed s d\u013a\u017ekou 1,5 metra, ktor\u00e9 sa daj\u00fa spoji\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u010faka zinkov\u00e9mu povlaku s hr\u00fabkou pribli\u017ene 130 mikr\u00f3nov sl\u00fa\u017eia tak\u00e9to s\u00fapravy roky a chr\u00e1nia ich pred kor\u00f3ziou.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdsledok<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uzemnenie nie je formalita, ale skuto\u010dn\u00fd ochrann\u00fd syst\u00e9m, ktor\u00fd m\u00f4\u017ee zachr\u00e1ni\u0165 \u017eivoty. Trojuholn\u00edk elektr\u00f3dy nie je dekorat\u00edvny prvok, ale pohodln\u00e9 a spo\u013eahliv\u00e9 rie\u0161enie, ktor\u00e9 minimalizuje odpor a zais\u0165uje bezpe\u010dnos\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je ove\u013ea m\u00fadrej\u0161ie investova\u0165 do spr\u00e1vneho uzem\u0148ovacieho syst\u00e9mu raz, ako vystavi\u0165 seba a svojich bl\u00edzkych riziku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>U\u017e ste niekedy in\u0161talovali uzemnenie vo svojom dome alebo letnom dome?<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ak nie ste elektrik\u00e1r, pravdepodobne si predstavujete uzemnenie ako jednu kovov\u00fa ty\u010d zat\u013aknut\u00fa do zeme. Zd\u00e1 sa to logick\u00e9: pr\u00fad by mal tiec\u0165 do zeme, tak\u017ee sta\u010d\u00ed jednoducho zapichn\u00fa\u0165 kus [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6749,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-6748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recept"],"_links":{"self":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6748"}],"version-history":[{"count":1,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6748\/revisions"}],"predecessor-version":[{"id":6750,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/6748\/revisions\/6750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/media\/6749"}],"wp:attachment":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}