1.0Acier KDMhttps://www.kdmsteel.com/frrich600338<blockquote class="wp-embedded-content" data-secret="SBF1aeg9o4"><a href="https://www.kdmsteel.com/fr/boitier-nema-3-vs-3r/">Boîtier NEMA 3 vs 3R : principales différences à connaître</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.kdmsteel.com/fr/boitier-nema-3-vs-3r/embed/#?secret=SBF1aeg9o4" width="600" height="338" title="Boîtier NEMA 3 vs 3R : principales différences à connaître — KDM Steel" data-secret="SBF1aeg9o4" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.kdmsteel.com/wp-includes/js/wp-embed.min.js </script>http://www.kdmsteel.com/wp-content/uploads/2025/03/NEMA-3-vs-3R-Enclosure-–-Key-Differences-You-Should-Know.jpg1280720When it comes to selecting an enclosure for electrical equipment, both NEMA 3 and NEMA 3R enclosure designs are popular. However, it’s essential to know the differences between NEMA enclosures. This guide will help you understand what each NEMA enclosure provides, their features, protection levels, and when you can use which type. By the end, […]