{"id":9824,"date":"2025-06-18T12:10:26","date_gmt":"2025-06-18T10:10:26","guid":{"rendered":"https:\/\/www.easyledstore.it\/led-modules-12v-vs-24v-complete-guide-for-professional-signage-lighting\/"},"modified":"2025-06-18T12:10:26","modified_gmt":"2025-06-18T10:10:26","slug":"led-modules-12v-vs-24v-complete-guide-for-professional-signage-lighting","status":"publish","type":"post","link":"https:\/\/www.easyledstore.it\/en\/led-modules-12v-vs-24v-complete-guide-for-professional-signage-lighting\/","title":{"rendered":"LED modules 12V vs 24V : Complete guide for professional signage lighting"},"content":{"rendered":"<p data-start=\"385\" data-end=\"838\">When it comes to LED lighting, especially for professional applications such as signs, backlights or lightboxes, one of the most frequently asked questions is: <strong data-start=\"548\" data-end=\"569\">is it better 12V or 24V?<\/strong><br data-start=\"569\" data-end=\"572\">If you have arrived here, you are probably looking for a clear and definitive answer. We&#8217;ll help you get clarity on everything about the <strong data-start=\"713\" data-end=\"757\">difference between 12V and 24V power supplies<\/strong>, so you can choose the right product based on your installation. <\/p>\n<hr data-start=\"840\" data-end=\"843\">\n<h2 data-start=\"845\" data-end=\"884\"><strong data-start=\"848\" data-end=\"884\">Why is tension important?<\/strong><\/h2>\n<p data-start=\"886\" data-end=\"1101\">In the world of LED lighting, voltage (expressed in volts) does not directly affect module brightness, but it does affect <strong data-start=\"1022\" data-end=\"1100\">efficiency, cable length, voltage drop, and system stability.<\/strong><\/p>\n<p data-start=\"1103\" data-end=\"1388\">A 12V LED module and a 24V LED module, if designed with the same chips and materials, can have the same brightness. However, <strong data-start=\"1231\" data-end=\"1276\">what changes is power management<\/strong>.<br data-start=\"1277\" data-end=\"1280\">The higher the voltage, the less current is required to carry the same power. This means:  <\/p>\n<ul data-start=\"1390\" data-end=\"1540\">\n<li data-start=\"1390\" data-end=\"1419\">\n<p data-start=\"1392\" data-end=\"1419\">Less energy dissipation<\/p>\n<\/li>\n<li data-start=\"1420\" data-end=\"1464\">\n<p data-start=\"1422\" data-end=\"1464\">Thinner cables (for the same performance)<\/p>\n<\/li>\n<li data-start=\"1465\" data-end=\"1490\">\n<p data-start=\"1467\" data-end=\"1490\">Less overheating<\/p>\n<\/li>\n<li data-start=\"1491\" data-end=\"1540\">\n<p data-start=\"1493\" data-end=\"1540\">Larger distances between the power supply and the modules<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1542\" data-end=\"1685\">This is why it is crucial to carefully consider the voltage to be used, especially when working on large or complex installations.<\/p>\n<hr data-start=\"1687\" data-end=\"1690\">\n<h2 data-start=\"1692\" data-end=\"1739\"><strong data-start=\"1695\" data-end=\"1739\">What changes from 12V to 24V in LED modules?<\/strong><\/h2>\n<h3 data-start=\"1741\" data-end=\"1770\"><strong data-start=\"1745\" data-end=\"1770\">1. Voltage drop<\/strong><\/h3>\n<p data-start=\"1772\" data-end=\"1982\">With 12V, the <strong data-start=\"1786\" data-end=\"1808\">voltage drop<\/strong> is more pronounced. This means that the further you move away from the ballast, the more the light intensity tends to decrease, especially if the cables are long or undersized. <\/p>\n<p data-start=\"1984\" data-end=\"2111\">The 24V significantly reduces this problem, offering greater <strong data-start=\"2052\" data-end=\"2074\">light stability<\/strong> throughout the LED module chain.<\/p>\n<h3 data-start=\"2113\" data-end=\"2144\"><strong data-start=\"2117\" data-end=\"2144\">2. Efficiency and consumption<\/strong><\/h3>\n<p data-start=\"2146\" data-end=\"2427\">In a 24V system, the current is half that of a 12V for the same power. This results in <strong data-start=\"2249\" data-end=\"2297\">less leakage and more energy efficiency<\/strong>.<br data-start=\"2298\" data-end=\"2301\">In practice, even though the power consumed is the same, a 24V system heats less, lasts longer and requires less maintenance. <\/p>\n<h3 data-start=\"2429\" data-end=\"2466\"><strong data-start=\"2433\" data-end=\"2466\">3. Simplified installation<\/strong><\/h3>\n<p data-start=\"2468\" data-end=\"2612\">With 24V you can <strong data-start=\"2484\" data-end=\"2517\">connect more modules in series<\/strong> than with 12V, making the system neater and reducing the amount of wiring needed.<\/p>\n<hr data-start=\"2614\" data-end=\"2617\">\n<h2 data-start=\"2619\" data-end=\"2685\"><strong data-start=\"2622\" data-end=\"2685\">What happens if I put a 12V module on a 24V power supply?<\/strong><\/h2>\n<p data-start=\"2687\" data-end=\"2783\">This is one of the most important questions to address, because <strong data-start=\"2751\" data-end=\"2782\">error is common but fatal<\/strong>.<\/p>\n<p data-start=\"2785\" data-end=\"3097\">\u26a0\ufe0f If you connect a 12V LED module to a 24V power supply, the module will be irreversibly damaged.<br data-start=\"2892\" data-end=\"2895\">Internal components, designed to receive half the voltage, will quickly overheat and stop working within seconds. Short-circuiting may also occur in some cases. <\/p>\n<p data-start=\"3099\" data-end=\"3198\"><strong data-start=\"3099\" data-end=\"3130\">The golden rule is simple:<\/strong><br data-start=\"3130\" data-end=\"3133\">\ud83d\udc49 Power supply and module must always have the same voltage.<\/p>\n<p data-start=\"3200\" data-end=\"3438\">To help you choose, visit the section on <a class=\"\" href=\"https:\/\/www.easyledstore.it\/en\/product-category\/power-supplies\/\" target=\"_new\" rel=\"noopener\" data-start=\"3259\" data-end=\"3339\">LED power supplies<\/a> compatible with our <a class=\"\" href=\"https:\/\/www.easyledstore.it\/en\/product-category\/led-modules\/\" target=\"_new\" rel=\"noopener\" data-start=\"3365\" data-end=\"3437\">LED modules<\/a>.<\/p>\n<hr data-start=\"3440\" data-end=\"3443\">\n<h2 data-start=\"3445\" data-end=\"3492\"><strong data-start=\"3448\" data-end=\"3492\">Where is 12V used and where is 24V used?<\/strong><\/h2>\n<p data-start=\"3494\" data-end=\"3605\">The answer depends on the type of design, the distance between feeder and modules, and the space available.<\/p>\n<h3 data-start=\"3607\" data-end=\"3636\"><strong data-start=\"3611\" data-end=\"3636\">When to choose 12V:<\/strong><\/h3>\n<ul data-start=\"3638\" data-end=\"3796\">\n<li data-start=\"3638\" data-end=\"3664\">\n<p data-start=\"3640\" data-end=\"3664\">Small illuminated signs<\/p>\n<\/li>\n<li data-start=\"3665\" data-end=\"3704\">\n<p data-start=\"3667\" data-end=\"3704\">Boxes with integrated power supplies<\/p>\n<\/li>\n<li data-start=\"3705\" data-end=\"3747\">\n<p data-start=\"3707\" data-end=\"3747\">Simple installations with few modules<\/p>\n<\/li>\n<li data-start=\"3748\" data-end=\"3796\">\n<p data-start=\"3750\" data-end=\"3796\">Projects with very short cable lengths<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3798\" data-end=\"3827\"><strong data-start=\"3802\" data-end=\"3827\">When to choose 24V:<\/strong><\/h3>\n<ul data-start=\"3829\" data-end=\"4056\">\n<li data-start=\"3829\" data-end=\"3854\">\n<p data-start=\"3831\" data-end=\"3854\">Large or long signs<\/p>\n<\/li>\n<li data-start=\"3855\" data-end=\"3912\">\n<p data-start=\"3857\" data-end=\"3912\">Installations on multiple floors or distant from the feeder<\/p>\n<\/li>\n<li data-start=\"3913\" data-end=\"3944\">\n<p data-start=\"3915\" data-end=\"3944\">Large lightbox<\/p>\n<\/li>\n<li data-start=\"3945\" data-end=\"3994\">\n<p data-start=\"3947\" data-end=\"3994\">When you want to reduce wiring costs<\/p>\n<\/li>\n<li data-start=\"3995\" data-end=\"4056\">\n<p data-start=\"3997\" data-end=\"4056\">Professional installations with high standards of efficiency<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4058\" data-end=\"4198\">In summary: <strong data-start=\"4070\" data-end=\"4198\">12V is great for simplicity and compactness, while 24V is the right choice for power, stability and long-term savings.<\/strong><\/p>\n<hr data-start=\"4200\" data-end=\"4203\">\n<h2 data-start=\"4205\" data-end=\"4246\"><strong data-start=\"4208\" data-end=\"4246\">RGB LED strips: better 12V or 24V?<\/strong><\/h2>\n<p data-start=\"4248\" data-end=\"4376\">RGB LED strips are widely used to create dynamic color effects on signs, light surrounds, storefronts and interiors.<\/p>\n<p data-start=\"4378\" data-end=\"4435\">But here again the same dilemma arises: better 12V or 24V?<\/p>\n<h3 data-start=\"4437\" data-end=\"4464\"><strong data-start=\"4441\" data-end=\"4464\">RGB LED strips 12V<\/strong><\/h3>\n<ul data-start=\"4466\" data-end=\"4682\">\n<li data-start=\"4466\" data-end=\"4519\">\n<p data-start=\"4468\" data-end=\"4519\">They have shorter segments (usually 3 LEDs every 5cm)<\/p>\n<\/li>\n<li data-start=\"4520\" data-end=\"4572\">\n<p data-start=\"4522\" data-end=\"4572\">They fit better in small spaces and tight curves<\/p>\n<\/li>\n<li data-start=\"4573\" data-end=\"4631\">\n<p data-start=\"4575\" data-end=\"4631\">Require close power supplies and more frequent checks<\/p>\n<\/li>\n<li data-start=\"4632\" data-end=\"4682\">\n<p data-start=\"4634\" data-end=\"4682\">They risk dips in brightness on long square footage<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4684\" data-end=\"4711\"><strong data-start=\"4688\" data-end=\"4711\">RGB LED Strips 24V<\/strong><\/h3>\n<ul data-start=\"4713\" data-end=\"4941\">\n<li data-start=\"4713\" data-end=\"4768\">\n<p data-start=\"4715\" data-end=\"4768\">They allow long, continuous lines without interruption<\/p>\n<\/li>\n<li data-start=\"4769\" data-end=\"4825\">\n<p data-start=\"4771\" data-end=\"4825\">They have longer segments, fewer cuts and fewer joints<\/p>\n<\/li>\n<li data-start=\"4826\" data-end=\"4875\">\n<p data-start=\"4828\" data-end=\"4875\">Simplified cable and controller management<\/p>\n<\/li>\n<li data-start=\"4876\" data-end=\"4941\">\n<p data-start=\"4878\" data-end=\"4941\">More suitable for professional installations or commercial environments<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4943\" data-end=\"5085\">\ud83d\udd17 Discover the full range of <a class=\"\" href=\"https:\/\/www.easyledstore.it\/en\/product-category\/led-modules\/\" target=\"_new\" rel=\"noopener\" data-start=\"4975\" data-end=\"5055\">LED modules and strips<\/a> available in our store.<\/p>\n<hr data-start=\"5087\" data-end=\"5090\">\n<h2 data-start=\"5092\" data-end=\"5122\"><strong data-start=\"5095\" data-end=\"5122\">Frequently Asked Questions (FAQ)<\/strong><\/h2>\n<p data-start=\"5124\" data-end=\"5337\"><strong data-start=\"5124\" data-end=\"5208\">Can I use a 24V power supply for 12V modules if I add a resistor?<\/strong><br data-start=\"5208\" data-end=\"5211\">No. Even with a resistor, the system will not be stable or safe. Always use power supplies of the same voltage as the modules.  <\/p>\n<p data-start=\"5339\" data-end=\"5480\"><strong data-start=\"5339\" data-end=\"5404\">Can I put 12V and 24V modules together in the same system?<\/strong><br data-start=\"5404\" data-end=\"5407\">No. It should be avoided at all costs. Two separate circuits should be designed.  <\/p>\n<p data-start=\"5482\" data-end=\"5705\"><strong data-start=\"5482\" data-end=\"5514\">Do 24V modules cost more?<\/strong><br data-start=\"5514\" data-end=\"5517\">Not necessarily. Sometimes the unit cost is slightly higher, but considering that fewer power supplies and fewer cables are needed, <strong data-start=\"5647\" data-end=\"5704\">the total cost of the system may be lower<\/strong>. <\/p>\n<hr data-start=\"5707\" data-end=\"5710\">\n<h2 data-start=\"5712\" data-end=\"5759\"><strong data-start=\"5715\" data-end=\"5759\">Practical examples: which voltage to choose<\/strong><\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5761\" data-end=\"6275\">\n<thead data-start=\"5761\" data-end=\"5825\">\n<tr data-start=\"5761\" data-end=\"5825\">\n<th data-start=\"5761\" data-end=\"5803\" data-col-size=\"md\">Type of sign<\/th>\n<th data-start=\"5803\" data-end=\"5825\" data-col-size=\"sm\">Recommended choice<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"5891\" data-end=\"6275\">\n<tr data-start=\"5891\" data-end=\"5954\">\n<td data-start=\"5891\" data-end=\"5932\" data-col-size=\"md\">Logo light on a display case (1m)<\/td>\n<td data-start=\"5932\" data-end=\"5954\" data-col-size=\"sm\">12V<\/td>\n<\/tr>\n<tr data-start=\"5955\" data-end=\"6018\">\n<td data-start=\"5955\" data-end=\"5996\" data-col-size=\"md\">5-meter sign on exterior facade<\/td>\n<td data-start=\"5996\" data-end=\"6018\" data-col-size=\"sm\">24V<\/td>\n<\/tr>\n<tr data-start=\"6019\" data-end=\"6082\">\n<td data-start=\"6019\" data-end=\"6060\" data-col-size=\"md\">Cassette inside the sales counter<\/td>\n<td data-start=\"6060\" data-end=\"6082\" data-col-size=\"sm\">12V<\/td>\n<\/tr>\n<tr data-start=\"6083\" data-end=\"6146\">\n<td data-start=\"6083\" data-end=\"6124\" data-col-size=\"md\">2x1m lightbox at airport<\/td>\n<td data-start=\"6124\" data-end=\"6146\" data-col-size=\"sm\">24V<\/td>\n<\/tr>\n<tr data-start=\"6147\" data-end=\"6210\">\n<td data-start=\"6147\" data-end=\"6188\" data-col-size=\"md\">RGB contour of a nightclub<\/td>\n<td data-start=\"6188\" data-end=\"6210\" data-col-size=\"sm\">24V RGB<\/td>\n<\/tr>\n<tr data-start=\"6211\" data-end=\"6275\">\n<td data-start=\"6211\" data-end=\"6257\" data-col-size=\"md\">Suspended sign with remote power supply<\/td>\n<td data-start=\"6257\" data-end=\"6275\" data-col-size=\"sm\">24V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr data-start=\"6277\" data-end=\"6280\">\n<h2 data-start=\"6282\" data-end=\"6328\"><strong data-start=\"6285\" data-end=\"6328\">How to figure out what tension I need?<\/strong><\/h2>\n<p data-start=\"6330\" data-end=\"6610\">The easiest way to figure this out is to <strong data-start=\"6365\" data-end=\"6423\">assess the distance, power and complexity of the system<\/strong>.<br data-start=\"6424\" data-end=\"6427\">If you have any doubts, you can always turn to our technical team: we are ready to help you design the best system, with the right combination of modules, strips and power supplies.<\/p>\n<hr data-start=\"6612\" data-end=\"6615\">\n<h2 data-start=\"6617\" data-end=\"6672\"><strong data-start=\"6620\" data-end=\"6672\">Conclusion: the right tension makes all the difference<\/strong><\/h2>\n<p data-start=\"6674\" data-end=\"6966\">Choosing between 12V and 24V is not just a technical matter: it is a strategic choice to ensure you have a long-lasting, efficient and high-performing system.<br data-start=\"6819\" data-end=\"6822\">In our catalog you will find only <strong data-start=\"6853\" data-end=\"6881\">professional LED modules<\/strong>, tested and guaranteed to offer maximum reliability even in demanding environments.<\/p>\n<p data-start=\"6968\" data-end=\"7050\">Visit the dedicated categories to discover the products best suited to your needs:<\/p>\n<p data-start=\"7052\" data-end=\"7213\">\ud83d\udd17 <a class=\"\" href=\"https:\/\/www.easyledstore.it\/en\/product-category\/led-modules\/\" target=\"_new\" rel=\"noopener\" data-start=\"7055\" data-end=\"7127\">LED modules<\/a><br data-start=\"7127\" data-end=\"7130\">\ud83d\udd17 <a class=\"\" href=\"https:\/\/www.easyledstore.it\/en\/product-category\/power-supplies\/\" target=\"_new\" rel=\"noopener\" data-start=\"7133\" data-end=\"7213\">LED power supplies<\/a>.<\/p>\n<hr data-start=\"7215\" data-end=\"7218\">\n<h2 data-start=\"7220\" data-end=\"7250\">\ud83d\udd27 Do you need support?<\/h2>\n<p data-start=\"7252\" data-end=\"7430\">Our team is available to give you <strong data-start=\"7291\" data-end=\"7313\">technical assistance<\/strong>, customized quotes and advice on material selection.<br data-start=\"7380\" data-end=\"7383\">Contact us or write to us on our social channels.<\/p>\n<hr data-start=\"7432\" data-end=\"7435\">\n<h2 data-start=\"7437\" data-end=\"7462\">\ud83d\udcf2 Follow us on social media!<\/h2>\n<p data-start=\"7464\" data-end=\"7531\">Stay up-to-date on news, offers and professional installations:<\/p>\n<ul data-start=\"7533\" data-end=\"7824\">\n<li data-start=\"7533\" data-end=\"7610\">\n<p data-start=\"7535\" data-end=\"7610\"><a class=\"\" href=\"https:\/\/www.instagram.com\/easyledstore.it\" target=\"_new\" rel=\"noopener noreferrer nofollow\" data-start=\"7535\" data-end=\"7608\" target=\"_blank\">Instagram &#8211; @easyledstore.co.uk<\/a><\/p>\n<\/li>\n<li data-start=\"7611\" data-end=\"7680\">\n<p data-start=\"7613\" data-end=\"7680\"><a class=\"\" href=\"https:\/\/www.facebook.com\/easyledstore\" target=\"_new\" rel=\"noopener noreferrer nofollow\" data-start=\"7613\" data-end=\"7678\" target=\"_blank\">Facebook &#8211; EasyLED Store<\/a><\/p>\n<\/li>\n<li data-start=\"7681\" data-end=\"7753\">\n<p data-start=\"7683\" data-end=\"7753\"><a class=\"\" href=\"https:\/\/www.youtube.com\/@easyledstore4589\" target=\"_new\" rel=\"noopener noreferrer nofollow\" data-start=\"7683\" data-end=\"7751\" target=\"_blank\">YouTube &#8211; EasyLED Store<\/a><\/p>\n<\/li>\n<li data-start=\"7754\" data-end=\"7824\">\n<p data-start=\"7756\" data-end=\"7824\"><a class=\"\" href=\"https:\/\/www.tiktok.com\/@easyledstore.it\" target=\"_new\" rel=\"noopener noreferrer nofollow\" data-start=\"7756\" data-end=\"7824\" target=\"_blank\">TikTok &#8211; @easyledstore.co.uk.<\/a><\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>When it comes to LED lighting, especially for professional applications such as signs, backlights or lightboxes, one of the most frequently asked questions is: is it better 12V or 24V?If you have arrived here, you are probably looking for a clear and definitive answer. We&#8217;ll help you get clarity on everything about the difference between [&hellip;]<\/p>\n","protected":false},"author":257,"featured_media":7286,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[517,516],"tags":[1421,1422,568,567,593],"class_list":["post-9824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-led-modules","category-magazine-en","tag-12v","tag-24v","tag-led-en","tag-led-modules","tag-modules"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Differences LED modules 12V vs 24V for illuminated signs<\/title>\n<meta name=\"description\" content=\"12V vs 24V LED modules for illuminated signs: advantages, ideal applications, and tips for technical and safe choice.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.easyledstore.it\/en\/led-modules-12v-vs-24v-complete-guide-for-professional-signage-lighting\/#article","isPartOf":{"@id":"https:\/\/www.easyledstore.it\/en\/led-modules-12v-vs-24v-complete-guide-for-professional-signage-lighting\/"},"author":{"name":"eduard.farina","@id":"https:\/\/www.easyledstore.it\/en\/#\/schema\/person\/7e3059b72047ea855fbfe624ec45fd72"},"headline":"LED modules 12V vs 24V : Complete guide for professional signage 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