{"id":383,"date":"2024-08-05T15:16:55","date_gmt":"2024-08-05T13:16:55","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=383"},"modified":"2025-09-27T17:50:24","modified_gmt":"2025-09-27T15:50:24","slug":"clause-3-how-to-understand-the-definition-of-double-insulation","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/ro\/clause-3-how-to-understand-the-definition-of-double-insulation\/","title":{"rendered":"Clauza 3 \u2013 Cum s\u0103 \u00een\u021belege\u021bi defini\u021bia \u201eizola\u021biei duble\u201d"},"content":{"rendered":"izola\u021bie dubl\u0103: sistem de izolare care cuprinde at\u00e2t izola\u021bia de baz\u0103, c\u00e2t \u0219i izola\u021bia suplimentar\u0103<br>\n<br>\nDefini\u021bia este doar pentru a simplifica descrierea izola\u021biei de baz\u0103 \u0219i a izola\u021biei suplimentare \u00een standard, folosind un singur nume pentru a descrie dou\u0103 nume.<br>\n<br>\nA\u0219a cum se arat\u0103 \u00een figura de mai jos, cablul de alimentare are dou\u0103 straturi de izola\u021bie, mantaua interioar\u0103 a firului \u0219i mantaua exterioar\u0103 a firului negru, care este definit\u0103 ca izola\u021bie dubl\u0103.<br>\n<br>\nA\u0219a cum se arat\u0103 \u00een urm\u0103toarele dou\u0103 imagini (ventilator), mantaua interioar\u0103 a cablurilor din imaginea din st\u00e2nga este izola\u021bie de baz\u0103, iar placa de jos a carcasei exterioare este izola\u021bie suplimentar\u0103.<br>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view.jpg\" alt=\"\" class=\"wp-image-319\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view.jpg 640w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-internal-view-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br>\n<\/figure><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation.jpg\" alt=\"\" class=\"wp-image-320\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation.jpg 640w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/basic-insulation-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><br>\n<\/figure><\/div><\/div><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"853\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/double-insulation.gif\" alt=\"\" class=\"wp-image-389\"\/><br>\n<\/figure><br>\nUrm\u0103toarea imagine a pl\u0103cii de circuite are un efect de anima\u021bie. Partea dreapt\u0103 a liniei punctate este partea inaccesibil\u0103 cu o tensiune de lucru de 220-240V, iar partea st\u00e2ng\u0103 a liniei punctate este partea accesibil\u0103 cu o tensiune maxim\u0103 de lucru de 24V (presupun\u00e2nd c\u0103 structura de la loca\u021bia punctului linia a \u00eendeplinit cerin\u021bele de izolare dubl\u0103 sau de izolare armat\u0103). Pentru a asigura o izolare eficient\u0103, \u00een general, firele din partea dreapt\u0103 a liniei punctate (firele interne ro\u0219ii \u0219i albastre) nu pot atinge firele interne relativ sub\u021biri din st\u00e2nga. \u00cenveli\u0219ul de s\u00e2rm\u0103 a firului drept este izola\u021bie de baz\u0103, deoarece mantaua de s\u00e2rm\u0103 este \u00een contact direct cu p\u0103r\u021bile sub tensiune \u0219i este primul strat de protec\u021bie pentru p\u0103r\u021bile sub tensiune. \u00cenveli\u0219ul de s\u00e2rm\u0103 a firului din st\u00e2nga poate fi definit doar ca izola\u021bie suplimentar\u0103, dar dac\u0103 \u00eendepline\u0219te cerin\u021bele pentru izolarea suplimentar\u0103 din clauza 29.3 va fi analizat la introducerea clauzei 29.3.<br>Trebuie remarcat aici c\u0103 mantaua firului din st\u00e2nga nu poate fi definit\u0103 ca izola\u021bie de baz\u0103, iar mantaua firului din dreapta nu poate fi o izola\u021bie suplimentar\u0103.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"853\" height=\"480\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/double-insulation-in-switch-power-supply.gif\" alt=\"\" class=\"wp-image-417\"\/><br>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>izola\u021bie dubl\u0103: sistem de izolare care cuprinde at\u00e2t izola\u021bia de baz\u0103, c\u00e2t \u0219i izola\u021bia suplimentar\u0103 Defini\u021bia este doar pentru a simplifica descrierea izola\u021biei de baz\u0103 \u0219i a izola\u021biei suplimentare \u00een standard, folosind un singur nume pentru a descrie dou\u0103 nume. A\u0219a cum se arat\u0103 \u00een figura de mai jos, cablul de alimentare are dou\u0103 straturi&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[5],"tags":[74,76,75],"class_list":["post-383","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-insulation-applied-to-live-parts-to-provide-basic-protection-against-electric-shock","tag-insulation-system-comprising-both-basic-insulation-and-supplementary-insulation","tag-independent-insulation-applied-in-addition-to-basic-insulation-in-order-to-provide-protection-against-electric-shock-in-the-event-of-a-failure-of-basic-insulation"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"ro","enabled_languages":["en","es","ar","de","ja","fr","ru","th","nl","it","fa","ko","pt","hi","ro","tr","vi","id","zu"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"fa":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ro":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"zu":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/comments?post=383"}],"version-history":[{"count":52,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/383\/revisions"}],"predecessor-version":[{"id":1927,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/383\/revisions\/1927"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/media?parent=383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/categories?post=383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/tags?post=383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}