1.0Radians Verlichtinghttps://radianslighting.com/nlRonhttps://radianslighting.com/nl/author/radiansrich600338<blockquote class="wp-embedded-content" data-secret="IY8EHGSHiw"><a href="https://radianslighting.com/nl/ip-rating.html">Verlicht met vertrouwen: de juiste IP-classificatie (IP20, IP44, IP65, IP66) kiezen voor downlights en railverlichting</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://radianslighting.com/nl/ip-rating.html/embed#?secret=IY8EHGSHiw" width="600" height="338" title="“Illuminate with Confidence: Choosing the Right IP Rating (IP20, IP44, IP65, IP66) for Downlights & Track Lights” — Radians Lighting" data-secret="IY8EHGSHiw" 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); </script>https://radianslighting.com/wp-content/uploads/2025/04/Waterproof-downlight.jpg20001200In the world of lighting, selecting the right fixtures means understanding more than just lumens and design. For downlights and track lights, the Ingress Protection (IP) rating is critical for ensuring safety, longevity, and optimal performance. But what do IP20, IP44, IP65, and IP66 really mean, and which is best for your specific needs?