{"id":30014,"date":"2022-08-29T17:19:39","date_gmt":"2022-08-29T17:19:39","guid":{"rendered":"https:\/\/www.triparinc.com\/?p=30014"},"modified":"2025-01-17T02:37:40","modified_gmt":"2025-01-17T02:37:40","slug":"knockouts-101","status":"publish","type":"post","link":"https:\/\/www.triparinc.com\/fr\/knockouts-101\/","title":{"rendered":"\u201cKnockouts\u201d 101"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30014\" class=\"elementor elementor-30014 elementor-30013\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b4e7766 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b4e7766\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5c2bc99\" data-id=\"5c2bc99\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-adacfd1 elementor-widget elementor-widget-heading\" data-id=\"adacfd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a158b08 elementor-widget elementor-widget-text-editor\" data-id=\"a158b08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Il y a bien plus qu&rsquo;il n&rsquo;y para\u00eet en mati\u00e8re de <strong><em>knockouts<\/em><\/strong>.<\/p><p>Cela est particuli\u00e8rement vrai en ce qui concerne les luminaires, dans lesquels les <em>knockouts<\/em> sont r\u00e9gies par <em>UL1598, Standard for Safety for Luminaires<\/em>.<\/p><p><em>Les Knockouts <\/em>peuvent \u00eatre avec ou sans fentes pour tournevis, fix\u00e9s avec un ou plusieurs points de r\u00e9tention (adjacents les uns aux autres, oppos\u00e9s \u00e0 180\u2070 ou \u00e0 un autre angle), d\u00e9coup\u00e9s au laser ou perfor\u00e9s (travers\u00e9s ou repouss\u00e9s). Ce n&rsquo;est pas toujours le choix du concepteur laquelle utiliser, car l&rsquo;application doit \u00eatre consid\u00e9r\u00e9e. Cette TriparTech tente de donner du sens \u00e0 tout cela !<\/p><p>Bien que <em>UL1598<\/em> soit la principale sp\u00e9cification r\u00e9gissant les luminaires, des lois institutionnelles, municipales et\/ou \u00e9tatiques suppl\u00e9mentaires peuvent imposer des exigences suppl\u00e9mentaires, il n&rsquo;y a donc malheureusement pas de norme nationale absolue.<\/p><p>Un r\u00e9sum\u00e9 de ces sp\u00e9cifications relatives aux <em>knockouts<\/em> peut \u00eatre trouv\u00e9 dans l&rsquo;annexe A.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac9449 elementor-widget elementor-widget-heading\" data-id=\"1ac9449\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Caract\u00e9ristiques de knockout<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6cec1a1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6cec1a1\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0bd8625\" data-id=\"0bd8625\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-acee46d elementor-widget elementor-widget-spacer\" data-id=\"acee46d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c28157 elementor-widget elementor-widget-text-editor\" data-id=\"9c28157\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tFente pour tournevis\u00a0: ces fentes* permettent de retirer facilement le <em>knockout<\/em> d\u00e9sir\u00e9, simplement en pla\u00e7ant un tournevis dans la fente et en faisant levier. Ceux-ci doivent prescrire la limite de zone contenue dans <em>UL1598<\/em>, par. 11.3.8 (voir annexe).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-990477f\" data-id=\"990477f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c30c9d8 elementor-widget elementor-widget-image\" data-id=\"c30c9d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"276\" height=\"265\" src=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/knockout-1.jpg\" class=\"attachment-medium_large size-medium_large wp-image-30024\" alt=\"CNC laser cut knockout\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-123bc90 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"123bc90\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-eb56ca9\" data-id=\"eb56ca9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-64d7316 elementor-widget elementor-widget-text-editor\" data-id=\"64d7316\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPoint(s) de r\u00e9tention : Les <em>knockouts<\/em> peuvent contenir un seul point de r\u00e9tention (dont la largeur est variable), ou plusieurs. La largeur, le nombre de points de r\u00e9tention et les emplacements sont un \u00e9quilibre ;\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d9763f2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d9763f2\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-de4b4f8\" data-id=\"de4b4f8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54f3582 elementor-widget elementor-widget-text-editor\" data-id=\"54f3582\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\r\n \t<li>Un point de r\u00e9tention plus large s\u00e9curisera davantage le <em>knockout<\/em> mais laissera \u00e9galement une plus grande bavure lors du retrait (ce qui peut ou non interf\u00e9rer avec les connecteurs de conduit).<\/li>\r\n \t<li>Plus d&rsquo;un point de r\u00e9tention peut permettre \u00e0 chacun d&rsquo;\u00eatre plus \u00e9troit (avec moins de bavures lorsque le <em>knockout<\/em> est retir\u00e9e) mais peut souvent \u00eatre plus difficile \u00e0 retirer.<\/li>\r\n \t<li>S&rsquo;il y en a plusieurs, les points de r\u00e9tention peuvent \u00eatre plac\u00e9s sur des c\u00f4t\u00e9s oppos\u00e9s autour de la circonf\u00e9rence (\u00e0 180\u2070 d&rsquo;intervalle), ou plus proches les uns des autres, dont les emplacements peuvent n\u00e9cessiter plus ou moins de force pour \u00eatre retir\u00e9s. Voir l&rsquo;exemple ci-dessous, qui contient deux points de r\u00e9tention espac\u00e9s d&rsquo;environ 60\u2070.<\/li>\r\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b0af5d6\" data-id=\"b0af5d6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-161623c elementor-widget elementor-widget-image\" data-id=\"161623c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"343\" height=\"289\" src=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/circonference-knockout-2.jpg\" class=\"attachment-large size-large wp-image-30044\" alt=\"\" srcset=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/circonference-knockout-2.jpg 343w, https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/circonference-knockout-2-300x253.jpg 300w\" sizes=\"(max-width: 343px) 100vw, 343px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-554b019 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"554b019\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7b6ec0c\" data-id=\"7b6ec0c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a444b28 elementor-widget elementor-widget-text-editor\" data-id=\"a444b28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Selon la conception, certains r\u00e9sisteront mieux \u00e0 l&rsquo;enfoncement, en particulier la sp\u00e9cification <em>\u00ab\u00a0Conduit knockout and twistout\u00a0\u00bb<\/em> de <em>UL1598<\/em>, par. 16.13 <br \/>(voir annexe).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b3474f3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b3474f3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-35b076e\" data-id=\"35b076e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cae08ca elementor-widget elementor-widget-heading\" data-id=\"cae08ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Processus du knockout<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6758b66 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6758b66\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4ec9bba\" data-id=\"4ec9bba\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4fef293 elementor-widget elementor-widget-heading\" data-id=\"4fef293\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Coupe au laser<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dd67d9 elementor-widget elementor-widget-text-editor\" data-id=\"5dd67d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCeux-ci contiennent g\u00e9n\u00e9ralement un \u00e9cart de 0,010 \u00e0 0,015\u00a0pouce* (la largeur minimale de la plupart des lasers) coup\u00e9 autour de la circonf\u00e9rence de la d\u00e9coupe, sauf au(x) point(s) de r\u00e9tention.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-86704d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"86704d3\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9a624fc\" data-id=\"9a624fc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ff9927e elementor-widget elementor-widget-heading\" data-id=\"ff9927e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Poin\u00e7onn\u00e9 (ou estamp\u00e9)<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5125054 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5125054\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-efe4b46\" data-id=\"efe4b46\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a1ef07a elementor-widget elementor-widget-text-editor\" data-id=\"a1ef07a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tIl s&rsquo;agit du processus le plus couramment utilis\u00e9 pour cr\u00e9er des <em>knockouts<\/em>, que ce soit par emboutissage de m\u00e9tal dans une matrice ou dans une poin\u00e7onneuse CNC.\r\n\r\nParce que ceux-ci sont poin\u00e7onn\u00e9s vers l&rsquo;int\u00e9rieur (ou vers l&rsquo;ext\u00e9rieur) du mat\u00e9riau de base avec peu ou pas de jeu, il n&rsquo;y a pas d&rsquo;\u00e9cart circonf\u00e9rentiel pr\u00e9sent sur les <em>knockouts<\/em> d\u00e9coup\u00e9es au laser, mais cela ne veut pas dire qu&rsquo;il n&rsquo;y aura pas d&rsquo;\u00e9cart d&rsquo;un autre type. Pour tirer ou tapper un tel <em>knockouts<\/em>, le mat\u00e9riau doit \u00eatre enti\u00e8rement cisaill\u00e9 \u00e0 travers. Selon la profondeur de p\u00e9n\u00e9tration du poin\u00e7on cr\u00e9ant la d\u00e9coupe, il y aura un espace entre une surface du m\u00e9tal de base et la surface oppos\u00e9e de la d\u00e9coupe. Reportez-vous simplement \u00e0 votre prise\/interrupteur mural standard ou \u00e0 votre bo\u00eete octogonale, ou regardez attentivement la photo ci-dessous\u00a0; vous verrez un petit \u00e9cart* entre 0,010 et 0,015&Prime;.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6499cbb\" data-id=\"6499cbb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be2add0 elementor-widget elementor-widget-image\" data-id=\"be2add0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"284\" height=\"300\" src=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/punched-knockout-3-284x300.jpg\" class=\"attachment-medium size-medium wp-image-30062\" alt=\"\" srcset=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/punched-knockout-3-284x300.jpg 284w, https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/punched-knockout-3.jpg 465w\" sizes=\"(max-width: 284px) 100vw, 284px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8dd605e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8dd605e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-75eff9f\" data-id=\"75eff9f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-048f615 elementor-widget elementor-widget-heading\" data-id=\"048f615\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">La direction ou l'orientation du knockouts<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6a73a9d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a73a9d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-102c6b1\" data-id=\"102c6b1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce1d18d elementor-widget elementor-widget-text-editor\" data-id=\"ce1d18d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La direction ou l&rsquo;orientation du <em>knockouts<\/em> doit \u00e9galement \u00eatre prise en compte. G\u00e9n\u00e9ralement, les <em>knockouts<\/em> poin\u00e7onn\u00e9s vers l&rsquo;ext\u00e9rieur (avec des fentes pour tournevis) sont pr\u00e9f\u00e9r\u00e9es, car lorsqu&rsquo;elles sont correctement poin\u00e7onn\u00e9es\/cisaill\u00e9es du m\u00e9tal de base, elles sont tr\u00e8s difficiles \u00e0 pousser vers l&rsquo;int\u00e9rieur, passant invariablement presque toujours le test d&rsquo;enfoncement de <em>UL1598<\/em>, par. 16.13 (voir annexe).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0ee7f62 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0ee7f62\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-80cdfc3\" data-id=\"80cdfc3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd458d8 elementor-widget elementor-widget-text-editor\" data-id=\"dd458d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL&rsquo;exception la plus courante \u00e0 cette r\u00e8gle concerne les bo\u00eetes de jonction qui doivent rester \u00e9tanches \u00e0 l&rsquo;air et\/ou sont soumises \u00e0 des restrictions de d\u00e9bit d&rsquo;air ou doivent r\u00e9pondre aux exigences du <em>Chicago Plenum Act<\/em>. Pour r\u00e9duire au minimum les espaces et le flux d&rsquo;air, aucune d\u00e9coupe au laser du knockout ni aucune fente de tournevis ne sont utilis\u00e9es. En tant que tel, il est presque impossible de retirer un <em>knockouts<\/em> qui a \u00e9t\u00e9 pouss\u00e9e vers l&rsquo;ext\u00e9rieur lorsque l&rsquo;acc\u00e8s pour la frapper de l&rsquo;int\u00e9rieur est limit\u00e9 (par exemple, depuis l&rsquo;int\u00e9rieur d&rsquo;une bo\u00eete de jonction). Dans de tels cas, les <em>knockouts<\/em> sont souvent pouss\u00e9s vers l&rsquo;int\u00e9rieur, mais ensuite refrapp\u00e9s pour repousser partiellement les <em>knockouts<\/em> de l&rsquo;endroit o\u00f9 il a \u00e9t\u00e9 cisaill\u00e9 (souvent appel\u00e9s <em>knockouts<\/em> de type \u00ab\u00a0repouss\u00e9e\u00a0\u00bb). Le r\u00e9sultat est un <em>knockout<\/em> sans espace, mais qui peut toujours \u00eatre retir\u00e9 avec un coup typique de marteau et de poin\u00e7on.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-90a0ca3\" data-id=\"90a0ca3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f5c29f elementor-widget elementor-widget-spacer\" data-id=\"2f5c29f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6b08fb elementor-widget elementor-widget-image\" data-id=\"f6b08fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"267\" src=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/knockout-4-300x267.jpg\" class=\"attachment-medium size-medium wp-image-30064\" alt=\"\" srcset=\"https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/knockout-4-300x267.jpg 300w, https:\/\/www.triparinc.com\/wp-content\/uploads\/2022\/08\/knockout-4.jpg 369w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cbaf56a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cbaf56a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf9d357\" data-id=\"bf9d357\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-57521b3 elementor-widget elementor-widget-text-editor\" data-id=\"57521b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t*Ces \u00e9carts\/fentes seront une source de flux d&rsquo;air, qui peut ou non \u00eatre un probl\u00e8me. De plus, ces m\u00eames \u00e9carts\/fentes violeraient les exigences de construction pour les espaces a\u00e9riens environnementaux de la ville de Chicago (CCEA), commun\u00e9ment appel\u00e9es <em>Chicago Plenum Act<\/em>. Voir l&rsquo;annexe pour plus de d\u00e9tails.\r\n\r\nSi vous avez une question ou trouvez des omissions ou des erreurs ici, veuillez-nous en informer, mais n&rsquo;oubliez pas que votre laboratoire de test et UL sont l&rsquo;autorit\u00e9 finale \u00e0 ce sujet\u00a0!\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-51464f6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"51464f6\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-660231d\" data-id=\"660231d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-91d81ae elementor-widget elementor-widget-text-editor\" data-id=\"91d81ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Annex<br \/><\/strong><strong>UL1598 \u2013<\/strong>\u00a0<strong>Extraits relatifs aux <em>knockouts<\/em><\/strong><\/p><p><strong>D\u00e9finitions:<br \/><\/strong><strong>Knockout <\/strong>\u2013 une ouverture partiellement d\u00e9coup\u00e9e qui est ferm\u00e9e jusqu&rsquo;\u00e0 ce que le mat\u00e9riau pr\u00e9d\u00e9coup\u00e9 soit retir\u00e9, des fois appel\u00e9 \u00ab\u00a0ouverture d\u00e9fon\u00e7able\u00a0\u00bb.<br \/><strong>Ouverture <\/strong>\u2013 une ouverture dans un bo\u00eetier qui est recouverte ou remplie par un bouchon ou un <em>knockout<\/em> (une entr\u00e9e d\u00e9fon\u00e7able) et qui a le potentiel de devenir un trou ouvert.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d2b30e8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d2b30e8\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcb6f90\" data-id=\"dcb6f90\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d73703 elementor-widget elementor-widget-text-editor\" data-id=\"7d73703\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Caract\u00e9ristiques:<br \/><\/strong><strong>11.3 Bo\u00eetes de jonction<br \/><\/strong>11.3.8 Un trou ouvert dans une bo\u00eete, tel qu&rsquo;un trou de vis de montage, ne doit pas avoir une dimension sup\u00e9rieure \u00e0 6,7 mm (0,265 po), sauf qu&rsquo;un trou ou une fente de levier peut \u00eatre pr\u00e9vu dans un <em>knockout<\/em> pour une taille de filetage de conduit de 1 po ou moins, \u00e0 condition que la surface du trou ou de la fente ne d\u00e9passe pas 26 mm2 (0,040 in2).<\/p><p><strong>16.13 <em>knockout <\/em>de conduit et torsion<br \/><\/strong>16.13.1 Le test suivant ne s&rsquo;applique qu&rsquo;aux entr\u00e9es de conduit et doit \u00eatre effectu\u00e9 sur un \u00e9chantillon en toute s\u00e9curit\u00e9 maintenu en place \u00e0 l&rsquo;aide de l&rsquo;appareillage d&rsquo;essai d\u00e9crit \u00e0 l&rsquo;article 19.23.<br \/>16.13.2 Une force de 44 N (10 lb) doit \u00eatre appliqu\u00e9e \u00e0 un <em>knockout<\/em> pendant 1 min au moyen d&rsquo;une mandrin de 6,4 mm (0,250 po) de diam\u00e8tre avec une extr\u00e9mit\u00e9 plate. La force doit \u00eatre appliqu\u00e9e \u00e0 la surface ext\u00e9rieure de la d\u00e9bouchure, dans une direction perpendiculaire au plan de la d\u00e9coupe, et au point le plus susceptible d&rsquo;entra\u00eener un mouvement.<br \/>16.13.3 Le knockout doit rester en place et le jeu entre l&rsquo;\u00e9jecteur et l&rsquo;ouverture ne doit pas \u00eatre sup\u00e9rieure \u00e0 1,6\u00a0mm (0,063\u00a0po) lorsqu&rsquo;elle est mesur\u00e9e apr\u00e8s suppression de la force.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-264320d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"264320d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-26aca2a\" data-id=\"26aca2a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bccaa09 elementor-widget elementor-widget-text-editor\" data-id=\"bccaa09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>De plus, il existe deux autres sp\u00e9cifications qui peuvent ou non \u00eatre pertinentes\u00a0;<\/p><p><strong>Flux d&rsquo;air:<br \/><\/strong>Lorsqu&rsquo;il y a une isolation dans le plafond et que les lois municipales ou d&rsquo;\u00c9tat imposent une r\u00e9tention de chaleur ou des restrictions de d\u00e9bit d&rsquo;air sp\u00e9cifiques (par exemple, &lt; 2 cfm sous pression (vide) de 1,57 lb\/pi\u00b2, r\u00e9f. Florida Building Code Chapter 13 <em>\u00ab\u00a0Florida Energy Efficiency for Building Construction\u00a0\u00bb<\/em>, section 13-606.1.ABC.1.2.4 Appareils d&rsquo;\u00e9clairage encastr\u00e9s), le luminaire doit \u00eatre entour\u00e9 d&rsquo;une barri\u00e8re ou d&rsquo;un bo\u00eetier m\u00e9tallique (bo\u00eete pour plafond isol\u00e9) qui limite le d\u00e9bit d&rsquo;air aux sp\u00e9cifications applicables. Certains autres \u00c9tats ont des sp\u00e9cifications similaires.<\/p><p>Il convient de mentionner que les bo\u00eetes ultra herm\u00e9tiques de Tripar (bo\u00eete pour plafond isol\u00e9 \u00e0 joint contenant une bo\u00eete de jonction \u00e0 joint avec tous les <em>knockouts<\/em> de type \u00ab\u00a0repouss\u00e9\u00a0\u00bb), lorsqu&rsquo;ils sont utilis\u00e9s conjointement avec des cadres de montage, ont \u00e9t\u00e9 test\u00e9s pour montrer moins de d\u00e9bit d&rsquo;air de 0,2 cfm\u00a0; veuillez voir l\u2019 <a href=\"https:\/\/www.triparinc.com\/\/wp-content\/uploads\/2019\/05\/tripar-i.c.box-air-leakage-report.pdf.\" target=\"_blank\" rel=\"noopener\"><strong><em>Air leakage report<\/em><\/strong><\/a> . Bien qu&rsquo;il s&rsquo;agisse de 1\/10e du d\u00e9bit d&rsquo;air maximal de 2 cfm impos\u00e9 par diverses r\u00e9glementations municipales et nationales, il est important de noter que tout trou introduit augmentera le d\u00e9bit d&rsquo;air, pour lequel l&rsquo;OEM doit tester.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a35bb7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a35bb7\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-56c469a\" data-id=\"56c469a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e624fa7 elementor-widget elementor-widget-text-editor\" data-id=\"e624fa7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: var( --e-global-color-text );\"><b><strong>Le plenum de Chicago<\/strong>:<br \/><\/b><\/span><span style=\"color: var( --e-global-color-text );\">Le <em>Construction Requirements for the City of Chicago Environmental Air Spaces<\/em> (CCEA), souvent appel\u00e9es <em>\u00abChicago Plenum Act\u00bb<\/em>, imposent des exigences selon lesquelles la bo\u00eete pour plafond isol\u00e9 ne doit pas avoir, entre autres exigences, de trous ouverts. Bien que cette sp\u00e9cification ne contienne aucune mesure de d\u00e9bit d&rsquo;air sp\u00e9cifique, les aspects m\u00e9caniques de cette sp\u00e9cification exigent en partie ;<\/span><\/p><ul><li>Les compartiments du luminaire et du c\u00e2blage doivent \u00eatre scell\u00e9s et joint appliqu\u00e9 ou ne pas avoir d&rsquo;ouvertures.<\/li><li>Les ouvertures de vis inutilis\u00e9es doivent \u00eatre ferm\u00e9es \u00e0 l&rsquo;aide de vis m\u00e9talliques, de rivets, de mastic ou \u00e9quivalent.<\/li><li>Toutes les coutures ou tous les joints doivent \u00eatre serr\u00e9s et se chevaucher ou un joint doivent \u00eatre ajout\u00e9 ou scell\u00e9s.<\/li><li>Les bo\u00eetes de jonction et les couvercles ne doivent pas avoir de <em>knockouts<\/em>, et tous les couvercles qui s&rsquo;ouvrent dans l&rsquo;espace du plafond doivent \u00eatre avec du <em>joint<\/em>.<\/li><li>Toutes les <em>knockouts<\/em> doivent \u00eatre du type \u00ab\u00a0affleurant\u00a0\u00bb ou \u00ab\u00a0repouss\u00e9\u00a0\u00bb.<\/li><\/ul><p>Pour les exigences compl\u00e8tes, consultez la sp\u00e9cification; <em>Section 18-27-300.22(c)<\/em> du code \u00e9lectrique de la ville de Chicago. Une fois que l&rsquo;assemblage complet a \u00e9t\u00e9 test\u00e9 et r\u00e9pertori\u00e9 selon les sp\u00e9cifications applicables, le luminaire encastr\u00e9 est \u00e9ligible pour le marquage \u00ab CCEA \u00bb (<em>City of Chicago Environmental Air other than Ducts and Plenums<\/em>).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Ce TriparTech donne un aper\u00e7u des \u00ab\u00a0knockouts\u00a0\u00bb li\u00e9es aux luminaires, lesquelles sont r\u00e9gies par UL1598, Standard for Safety for Luminaires.<\/p>\n","protected":false},"author":5,"featured_media":30073,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[984,884],"tags":[1046],"class_list":["post-30014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mechanical-series","category-tripartech-fr-2","tag-mechanical-series-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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