{"id":19,"date":"2021-02-03T21:30:22","date_gmt":"2021-02-03T21:30:22","guid":{"rendered":"http:\/\/elsikkerhetsportalen.no\/noknett\/?page_id=19"},"modified":"2021-09-27T13:19:06","modified_gmt":"2021-09-27T13:19:06","slug":"overspenning","status":"publish","type":"page","link":"https:\/\/elsikkerhetsportalen.no\/ihk\/elektrisk-anlegg\/overspenning\/","title":{"rendered":"Overspenning"},"content":{"rendered":"<section id=\"scrollable-shortcuts-block_6075863807b51\" class=\"block-section scrollable-shortcuts   align-full\">\n\t<div class=\"grid-container\">\n\t\t<div class=\"grid-x grid-padding-x\">\n\n\t\t\t<header class=\"cell small-12 medium-7\">\n\t\t\t\t\t\t\t\t\t<h1>Overspenningsvern<\/h1>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"ingress\">Et overspenningsvern beskytter det elektriske anlegget mot spenningsendringer. Vernet plasseres i sikringsskapet og skal f\u00f8re overspenningene til jord i stedet for innover i installasjonen og for\u00e5rsake skade. Dette skal v\u00e6re montert i alle nyere boliger.<\/p>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"shortcuts-title\">Snarveier<span><span class=\"icon icon-arrow-down\"><\/span><\/span><\/h2>\n\t\t\t\t\n\t\t\t\t<nav><ul><li><a href=\"#overspenninger\" class=\"link link--underlined\">Overspenninger<\/a><\/li><li><a href=\"#beskyttelse-mot-overspenning\" class=\"link link--underlined\">Overspenningsvernet<\/a><\/li><li><a href=\"#montering-av-finvern\" class=\"link link--underlined\">Finvern<\/a><\/li><\/ul><\/nav>\t\t\t<\/header>\n\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<section id=\"image-content-block_6075898407b52\" class=\"block-section image-content light has-more-content  align-full\">\n\t<div class=\"grid-container\" id=\"scrollToMe-overspenninger\">\n\n\t\t<div class=\"grid-x grid-padding-x\">\n\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"section-title\">Overspenninger<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<article><p>Overspenninger som kommer inn fra str\u00f8mnettet kan gj\u00f8re store skader p\u00e5 det elektriske anlegget og det du har koblet til dette.<\/p>\n<\/article>\n\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"clearfix\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"#\"\n\t\t\t\t\t\tclass=\"button-plus content-toggler\"\n\t\t\t\t\t\tdata-initialtext=\"Les mer\"\n\t\t\t\t\t\tdata-toggletext=\"Les mindre\"\n\t\t\t\t\t\tdata-target=\"ic-hidden-block_6075898407b52\"\n\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\trel=\"nofollow\"\n\t\t\t\t\t\taria-label=\"\u00c5pne skjult innhold\"\n\t\t\t\t\t\taria-expanded=\"false\">\n\t\t\t\t\t\t<span>Les mer<\/span>\n\t\t\t\t\t\t<span class=\"icon icon-plus\"><\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"335\" src=\"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-502x335.jpg\" class=\"attachment-image-content size-image-content\" alt=\"\" srcset=\"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-502x335.jpg 502w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-300x200.jpg 300w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-1024x683.jpg 1024w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-768x512.jpg 768w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-1536x1024.jpg 1536w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/06\/Overspenning-600x400-1-2048x1366.jpg 2048w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/>\n\t\t\t<\/div>\n\n\t\t<\/div>\n\n\t\t\t\t\t\t<div class=\"grid-x grid-padding-x hidden-more-content\" aria-expanded=\"false\" aria-hidden=\"true\" id=\"ic-hidden-block_6075898407b52\">\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t<article>\n\t\t\t\t<p>Disse spenningene kommer\u00a0fra\u00a0lynnedslag i eller\u00a0i\u00a0n\u00e6rheten av\u00a0kraftledninger (atmosf\u00e6riske overspenninger). De kan ogs\u00e5 komme\u00a0ved inn- og utkobling av store belastninger i str\u00f8mnettet (koplingsoverspenninger).<\/p>\n<p>Skader etter overspenninger er ofte store og tydelige, men de kan ogs\u00e5\u00a0f\u00f8re til mindre skader p\u00e5 installasjoner og utstyr som\u00a0du ikke\u00a0oppdager umiddelbart. Dette kan p\u00e5 et senere tidspunkt f\u00f8re til mer alvorlig skade, varmgang og branntill\u00f8p.<\/p>\n\t\t\t\t<\/article>\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n<\/section>\n\n\n\n<section id=\"image-content-block_60758baf07b54\" class=\"block-section image-content dark has-more-content  align-full\">\n\t<div class=\"grid-container\" id=\"scrollToMe-beskyttelse-mot-overspenning\">\n\n\t\t<div class=\"grid-x grid-padding-x\">\n\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"section-title\">Beskyttelse mot overspenning<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<article><p>Et overspenningsvern skal beskytte det elektriske anlegget og det elektriske utstyret du har tilkoblet mot overspenninger.<\/p>\n<\/article>\n\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"clearfix\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"#\"\n\t\t\t\t\t\tclass=\"button-plus content-toggler\"\n\t\t\t\t\t\tdata-initialtext=\"Les mer\"\n\t\t\t\t\t\tdata-toggletext=\"Les mindre\"\n\t\t\t\t\t\tdata-target=\"ic-hidden-block_60758baf07b54\"\n\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\trel=\"nofollow\"\n\t\t\t\t\t\taria-label=\"\u00c5pne skjult innhold\"\n\t\t\t\t\t\taria-expanded=\"false\">\n\t\t\t\t\t\t<span>Les mer<\/span>\n\t\t\t\t\t\t<span class=\"icon icon-plus\"><\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"502\" height=\"335\" src=\"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/04\/overspenningsvern-502x335.jpg\" class=\"attachment-image-content size-image-content\" alt=\"Bilde viser et overspenningsvern som er i orden\" srcset=\"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/04\/overspenningsvern-502x335.jpg 502w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/04\/overspenningsvern-300x200.jpg 300w, https:\/\/elsikkerhetsportalen.no\/ihk\/wp-content\/uploads\/sites\/28\/2021\/04\/overspenningsvern.jpg 600w\" sizes=\"auto, (max-width: 502px) 100vw, 502px\" \/>\n\t\t\t<\/div>\n\n\t\t<\/div>\n\n\t\t\t\t\t\t<div class=\"grid-x grid-padding-x hidden-more-content\" aria-expanded=\"false\" aria-hidden=\"true\" id=\"ic-hidden-block_60758baf07b54\">\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t<article>\n\t\t\t\t<p><!-- wp:quote --><\/p>\n<p>Et overspenningsvern i sikringsskapet gir ikke n\u00f8dvendigvis beskyttelse til utstyr som inneholder mye elektronikk, f.eks. TV, dekoder, radio, PC, modem, fryser, kj\u00f8leskap etc.<\/p>\n<p><strong>Vi anbefaler at du trekker ut st\u00f8pselet <\/strong>av disse apparatene hvis det brygger opp til tordenv\u00e6r, eller n\u00e5 du reiser p\u00e5 ferie.<\/p>\n<p>Tidligere var det opp til huseier og elektriker \u00e5 vurdere behovet for vern i hvert enkelt tilfelle. De fleste eldre anlegg har derfor ikke beskyttelse. Det kan v\u00e6re fornuftig \u00e5 ettermontere overspenningsvern og flere forsikringsselskaper tilbyr rabatt p\u00e5 boligforsikringen dersom du har det.<\/p>\n<p><!-- \/wp:quote --><\/p>\n\t\t\t\t<\/article>\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n<\/section>\n\n\n\n<section id=\"image-content-block_60758c2c07b57\" class=\"block-section image-content none smaller-fonts no-image has-more-content  align-full\">\n\t<div class=\"grid-container\" id=\"scrollToMe-montering-av-finvern\">\n\n\t\t<div class=\"grid-x grid-padding-x\">\n\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"section-title\">Montering av finvern<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<article><p>Du kan bruke et finvern for \u00e5 beskytte det elektriske utstyre ditt mot siste rest av overspenninger.<\/p>\n<\/article>\n\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"clearfix\"><\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"#\"\n\t\t\t\t\t\tclass=\"button-plus content-toggler\"\n\t\t\t\t\t\tdata-initialtext=\"Les mer\"\n\t\t\t\t\t\tdata-toggletext=\"Les mindre\"\n\t\t\t\t\t\tdata-target=\"ic-hidden-block_60758c2c07b57\"\n\t\t\t\t\t\trole=\"button\"\n\t\t\t\t\t\trel=\"nofollow\"\n\t\t\t\t\t\taria-label=\"\u00c5pne skjult innhold\"\n\t\t\t\t\t\taria-expanded=\"false\">\n\t\t\t\t\t\t<span>Les mer<\/span>\n\t\t\t\t\t\t<span class=\"icon icon-plus\"><\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\n\t\t<\/div>\n\n\t\t\t\t\t\t<div class=\"grid-x grid-padding-x hidden-more-content\" aria-expanded=\"false\" aria-hidden=\"true\" id=\"ic-hidden-block_60758c2c07b57\">\n\t\t\t<div class=\"cell small-12 medium-7 content\">\n\t\t\t\t<article>\n\t\t\t\t<p>De kan plugges inn i stikkontakten eller monteres som en del av den faste installasjonen. De m\u00e5 plasseres i umiddelbar n\u00e6rhet av det utstyret som skal beskyttes. Finvernet beskytter mot siste rest av overspenninger som overspenningsvernet i sikringsskapet kan slippe gjennom.<\/p>\n<p>Det finnes et stort utvalg av pluggbare overspenningsvern p\u00e5 markedet. For \u00e5 finne ut hvordan du kan beskytte ditt anlegg og utstyr mot overspenninger, b\u00f8r du s\u00f8ke r\u00e5d hos en elektriker.<\/p>\n\t\t\t\t<\/article>\n\t\t\t<\/div>\n\n\t\t\t<div class=\"cell small-12 medium-5 image\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<\/div>\n<\/section>\n\n\n\n<section class=\"block-section post-cards\">\n\t<div class=\"grid-container\">\n\n        <div class=\"grid-x grid-margin-x section-title-wrapper\">\n            <div class=\"cell small-12 medium-6\">\n                                    <h1 class=\"section-title\">Vi anbefaler<\/h1>\n                            <\/div>\n\n                    <\/div>\n\n        <div class=\"grid-x grid-margin-x cards-wrapper\">\n                                                                    <a href=\"https:\/\/elsikkerhetsportalen.no\/ihk\/faq\/slik-sjekker-du-overspenningsvernet\/\" class=\"link-card cell small-12 medium-6\">\n    <article>\n        <div class=\"content\">\n            <h3 class=\"title\">Slik sjekker du overspenningsvernet<\/h3>\n            <p class=\"excerpt\">Dersom du har montert overspenningsvern i anlegget, m\u00e5 du f\u00f8lge litt med p\u00e5 dette.\u00a0Ved kraftige&#8230;<\/p>\n        <\/div>\n        <span class=\"icon icon-arrow-right\"><\/span>\n    <\/article>\n<\/a>                    \n                                                        <a href=\"https:\/\/elsikkerhetsportalen.no\/ihk\/lynnedslag-i-sommer-gir-brann-til-jul\/\" class=\"link-card cell small-12 medium-6\">\n    <article>\n        <div class=\"content\">\n            <h3 class=\"title\">Lynnedslag i sommer gir brann til jul<\/h3>\n            <p class=\"excerpt\">Lynnedslag f\u00f8rer ofte til at det oppst\u00e5r overspenning i ledningsnettet. Hver gang en slik overspenning&#8230;<\/p>\n        <\/div>\n        <span class=\"icon icon-arrow-right\"><\/span>\n    <\/article>\n<\/a>                    \n                                                    <\/div>\n\n    <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":8,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-19","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/pages\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":0,"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/pages\/19\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/pages\/8"}],"wp:attachment":[{"href":"https:\/\/elsikkerhetsportalen.no\/ihk\/wp-json\/wp\/v2\/media?parent=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}