{"id":4182,"date":"2026-04-12T15:59:34","date_gmt":"2026-04-12T15:59:34","guid":{"rendered":"https:\/\/www.wundertricks.com\/?p=4182"},"modified":"2026-04-12T15:59:34","modified_gmt":"2026-04-12T15:59:34","slug":"preco-by-sa-malo-uzemnenie-vykonavat-v-trojuholniku","status":"publish","type":"post","link":"https:\/\/www.wundertricks.com\/?p=4182","title":{"rendered":"Pre\u010do by sa malo uzemnenie vykon\u00e1va\u0165 v trojuholn\u00edku?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Meta popis:<\/strong> H\u013ead\u00e1te n\u00e1vod na spr\u00e1vne uzemnenie rodinn\u00e9ho domu? Zistite, pre\u010do sa pou\u017e\u00edva trojuholn\u00edkov\u00e1 sch\u00e9ma, ak\u00e9 materi\u00e1ly s\u00fa najlep\u0161ie a ako u\u0161etri\u0165 pri mont\u00e1\u017ei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak sa sp\u00fdtate sk\u00fasen\u00e9ho elektrik\u00e1ra, ako najlep\u0161ie urobi\u0165 uzemnenie rodinn\u00e9ho domu, vo v\u00e4\u010d\u0161ine pr\u00edpadov v\u00e1m navrhne klasick\u00fa a overen\u00fa sch\u00e9mu. Postup je nasledovn\u00fd: vykope sa ryha v tvare rovnostrann\u00e9ho trojuholn\u00edka do h\u013abky pribli\u017ene 1,2 metra, do vrcholov sa zatl\u010d\u00fa oce\u013eov\u00e9 profily (vinkle) s d\u013a\u017ekou 2,5 metra a cel\u00e9 sa to prepoj\u00ed oce\u013eovou p\u00e1sovinou s rozmermi 4&#215;40 mm pomocou zv\u00e1rania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mnoh\u00ed sa v\u0161ak p\u00fdtaj\u00fa, pre\u010do pr\u00e1ve trojuholn\u00edk? V technick\u00fdch norm\u00e1ch by ste m\u00e1rne h\u013eadali striktn\u00fd predpis na konkr\u00e9tny tvar uzem\u0148ovacej s\u00fastavy. Teoreticky m\u00f4\u017eete ako uzem\u0148ova\u010d vyu\u017ei\u0165 aj podzemn\u00e9 kovov\u00e9 \u010dasti plotov alebo alt\u00e1nkov, pokia\u013e sp\u013a\u0148aj\u00fa potrebn\u00e9 parametre. D\u00f4vodom ob\u013euby trojuholn\u00edka je najm\u00e4 jeho spo\u013eahlivos\u0165 a bezpe\u010dnos\u0165 z h\u013eadiska dlhodobej prev\u00e1dzky.<\/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<h2 class=\"wp-block-heading\">Historicky vznikali pravidl\u00e1 pre uzem\u0148ovanie budov v \u010dase, ke\u010f v\u00fdber materi\u00e1lov nebol ve\u013ek\u00fd. Pou\u017e\u00edvala sa preva\u017ene uhl\u00edkov\u00e1 oce\u013e, ktor\u00e1 v zemi pomerne r\u00fdchlo koroduje. Ke\u010f\u017ee uzemnenie potrebujeme ma\u0165 funk\u010dn\u00e9 po\u010das celej \u017eivotnosti stavby, trojuholn\u00edkov\u00fd tvar pon\u00faka z\u00e1lohu. Ak by vplyvom kor\u00f3zie do\u0161lo k preru\u0161eniu na jednej strane trojuholn\u00edka, zvy\u0161n\u00e9 dve strany st\u00e1le zabezpe\u010duj\u00fa kontakt so zemou a ochranu domu.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pre\u010do je potrebn\u00e9 zat\u013aka\u0165 profily tak hlboko? Odpove\u010f s\u00favis\u00ed s elektrick\u00fdm odporom. Pod\u013ea noriem by odpor uzem\u0148ovacej s\u00fastavy nemal presiahnu\u0165 4 Ohmy. Cie\u013eom je, aby v pr\u00edpade poruchy elektrick\u00fd pr\u00fad odtiekol do zeme cestou najmen\u0161ieho odporu a nie cez telo \u010dloveka alebo kryty spotrebi\u010dov. Najlep\u0161\u00ed kontakt s p\u00f4dou dosiahneme pr\u00e1ve pod \u00farov\u0148ou nezam\u0155zaj\u00facej h\u013abky, kde je zem vlhk\u00e1 a vodiv\u00e1 po cel\u00fd rok.<\/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<h2 class=\"wp-block-heading\">Okrem samotn\u00e9ho zemni\u010da je k\u013e\u00fa\u010dovou s\u00fa\u010das\u0165ou ochrany aj pr\u00fadov\u00fd chr\u00e1ni\u010d (RCD) alebo isti\u010dochr\u00e1ni\u010d. S\u00fa to zariadenia, ktor\u00e9 okam\u017eite reaguj\u00fa na \u00fanikov\u00e9 pr\u00fady a odpoja obvod sk\u00f4r, ne\u017e d\u00f4jde k ne\u0161\u0165astiu. Spr\u00e1vne funguj\u00face uzemnenie je v\u0161ak z\u00e1kladn\u00fdm predpokladom, aby tieto bezpe\u010dnostn\u00e9 prvky v rozv\u00e1dza\u010di pracovali presne tak, ako maj\u00fa.<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Typ uzemnenia<\/strong><\/td><td><strong>\u017divotnos\u0165<\/strong><\/td><td><strong>Materi\u00e1l<\/strong><\/td><td><strong>N\u00e1ro\u010dnos\u0165 mont\u00e1\u017ee<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Klasick\u00e9 (oce\u013eov\u00e9 vinkle)<\/strong><\/td><td>15 \u2013 25 rokov<\/td><td>\u010cierna oce\u013e, p\u00e1sovina<\/td><td>Vysok\u00e1 (zv\u00e1ranie, kopanie)<\/td><\/tr><tr><td><strong>Modul\u00e1rne (ty\u010dov\u00e9)<\/strong><\/td><td>a\u017e 100 rokov<\/td><td>Me\u010fou potiahnut\u00e1 oce\u013e<\/td><td>N\u00edzka (zat\u013akanie kladivom)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">V dne\u0161nej dobe s\u00fa na trhu dostupn\u00e9 \u0161peci\u00e1lne sady pre mont\u00e1\u017e uzemnenia, ktor\u00fdch \u017eivotnos\u0165 dosahuje a\u017e 100 rokov. Ide o takzvan\u00e9 modul\u00e1rne ty\u010dov\u00e9 uzemnenie. Pozost\u00e1va z oce\u013eov\u00fdch ty\u010d\u00ed, ktor\u00e9 s\u00fa galvanicky potiahnut\u00e9 vrstvou medi. Jednotliv\u00e9 segmenty sa sp\u00e1jaj\u00fa pomocou spojok a \u0161peci\u00e1lnej vodivej grafitovej pasty.<\/h2>\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\">Tieto ty\u010de sa do zeme zat\u013akaj\u00fa pomocou b\u00faracieho kladiva, \u010do v\u00fdrazne \u0161etr\u00ed \u010das a rozsah v\u00fdkopov\u00fdch pr\u00e1c. Horn\u00fa \u010das\u0165 ka\u017edej ty\u010de je mo\u017en\u00e9 ukry\u0165 do kontrolnej \u0161achty vyrobenej napr\u00edklad z kanaliza\u010dnej r\u00fary s uz\u00e1verom. Na prepojenie s domovou in\u0161tal\u00e1ciou sa odpor\u00fa\u010da pou\u017ei\u0165 meden\u00fd vodi\u010d s prierezom minim\u00e1lne 10 mm\u00b2 alebo pr\u00edslu\u0161n\u00fa oce\u013eov\u00fa gu\u013eatinu.<\/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<h2 class=\"wp-block-heading\">Jedinou nev\u00fdhodou modern\u00fdch meden\u00fdch s\u00e1d je ich cena, ktor\u00e1 sa m\u00f4\u017ee pohybova\u0165 v stovk\u00e1ch eur. Pr\u00e1ve preto v\u00e4\u010d\u0161ina majite\u013eov domov st\u00e1le vol\u00ed &#8220;star\u00fa \u0161kolu&#8221; \u2013 oce\u013eov\u00e9 profily a zv\u00e1ran\u00fa p\u00e1sovinu. Je to lacnej\u0161ie rie\u0161enie, hoci si vy\u017eaduje viac fyzickej pr\u00e1ce pri kopan\u00ed a kvalitn\u00e9 o\u0161etrenie zvarov proti kor\u00f3zii pomocou asfaltov\u00fdch n\u00e1terov.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bez oh\u013eadu na to, ak\u00fd materi\u00e1l si vyberiete, d\u00f4le\u017eit\u00e9 je, aby bolo uzemnenie po dokon\u010den\u00ed premeran\u00e9 rev\u00edznym technikom. Iba certifikovan\u00e9 meranie v\u00e1m d\u00e1 istotu, \u017ee v\u00e1\u0161 dom je v bezpe\u010d\u00ed pred bleskom aj poruchami v elektroin\u0161tal\u00e1cii. Uzemnenie nie je miesto, kde by sa oplatilo hazardova\u0165 s kvalitou pr\u00e1ce.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pode\u013ete sa s nami o svoje sk\u00fasenosti! Ak\u00fdm sp\u00f4sobom ste realizovali uzemnenie u v\u00e1s doma? Pou\u017eili ste klasick\u00fd trojuholn\u00edk alebo ste zvolili modern\u00e9 ty\u010dov\u00e9 sady? Nap\u00ed\u0161te n\u00e1m svoje postrehy a tipy dolu do koment\u00e1rov.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ak sa v\u00e1m tento \u010dl\u00e1nok p\u00e1\u010dil a bol pre v\u00e1s u\u017eito\u010dn\u00fd, podporte n\u00e1s odberom na\u0161ich noviniek, dajte n\u00e1m &#8220;like&#8221; a zdie\u013eajte tento pr\u00edspevok so svojimi priate\u013emi a zn\u00e1mymi. Va\u0161a podpora n\u00e1m pom\u00e1ha tvori\u0165 \u010fal\u0161\u00ed kvalitn\u00fd obsah!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Meta popis: H\u013ead\u00e1te n\u00e1vod na spr\u00e1vne uzemnenie rodinn\u00e9ho domu? Zistite, pre\u010do sa pou\u017e\u00edva trojuholn\u00edkov\u00e1 sch\u00e9ma, ak\u00e9 materi\u00e1ly s\u00fa najlep\u0161ie a ako u\u0161etri\u0165 pri mont\u00e1\u017ei. Ak sa sp\u00fdtate sk\u00fasen\u00e9ho elektrik\u00e1ra, ako [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-4182","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\/4182","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=4182"}],"version-history":[{"count":1,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/4182\/revisions"}],"predecessor-version":[{"id":4184,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/4182\/revisions\/4184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/media\/4183"}],"wp:attachment":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}