{"id":8427,"date":"2026-09-17T17:55:00","date_gmt":"2026-09-17T21:55:00","guid":{"rendered":"https:\/\/groupequenneville.com\/?p=8427"},"modified":"2026-08-03T21:30:40","modified_gmt":"2026-08-04T01:30:40","slug":"light-bulb-keeps-burning-out","status":"publish","type":"post","link":"https:\/\/groupequenneville.com\/en\/light-bulb-keeps-burning-out\/","title":{"rendered":"My Light Bulb Keeps Burning Out: Why?"},"content":{"rendered":"\n<div class=\"gqp\"><style>.gqp{--forest:#1F3D2B;--sage:#6B9A5B;--sage-soft:#E8F0E4;--paper:#F1F1EF;--ink:#1d1d1f;--muted:#6e6e73;--line:#e3e3e0;--heat:#C2562F;--heat-soft:#FBE8E0;font-family:-apple-system,BlinkMacSystemFont,\"SF Pro Display\",\"Helvetica Neue\",Arial,sans-serif;color:var(--ink);background:#fff;color-scheme:light;-webkit-font-smoothing:antialiased;line-height:1.5}.gqp *{box-sizing:border-box}.gqp .wrap{max-width:1080px;margin:0 auto;padding:0 24px}.gqp .narrow{max-width:720px;margin:0 auto}.gqp 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.lbl{font-size:14px;color:var(--muted);margin-top:6px}.gqp .ghl{max-width:640px;margin:32px auto 0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 20px}.gqp .final{background:radial-gradient(120% 140% at 50% 0%,#24462f,#16301f 70%);color:#fff;text-align:center;padding:86px 0;border-radius:34px;margin:22px 16px}.gqp .final h2{color:#fff}.gqp .final .lead{color:#cddbc7;max-width:600px;margin:16px auto 0}.gqp .contact{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:28px;font-size:17px}.gqp .contact a{color:#fff;text-decoration:none;font-weight:600}.gqp .faq details{border-top:1px solid var(--line);padding:20px 4px}.gqp .faq details:last-child{border-bottom:1px solid var(--line)}.gqp .faq summary{font-size:18px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;color:var(--forest)}.gqp .faq summary::-webkit-details-marker{display:none}.gqp .faq p{margin-top:12px;font-size:16px}.gqp .foot{padding:36px 0;text-align:center;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}.gqp .src{font-size:12.5px;color:#9a9a9a;max-width:760px;margin:14px auto 0}.gqp ul.clean{margin:16px 0 0;padding:0;list-style:none}.gqp ul.clean li{font-size:16.5px;padding:9px 0 9px 30px;position:relative;border-top:1px solid var(--line)}.gqp ul.clean li:before{content:\"\u2713\";position:absolute;left:2px;color:var(--sage);font-weight:800}.gqp ul.warn li:before{content:\"!\";color:var(--heat)}.gqp .note{background:var(--sage-soft);border-radius:16px;padding:20px 22px;margin-top:24px;font-size:16.5px;color:#2c2c2e}.gqp .note b{color:var(--forest)}.gqp .note.hot{background:var(--heat-soft)}.gqp .note.hot b{color:var(--heat)}@media(max-width:760px){.gqp .grid-2,.gqp .grid-3,.gqp .stats,.gqp .price{grid-template-columns:1fr}.gqp .section{padding:58px 0}}<\/style><header class=\"hero\"><div class=\"wrap\"><div class=\"badge\"><span class=\"dot\"><\/span>Residential \u00b7 Commercial \u00b7 Industrial \u2014 Montreal, Laval &amp; North Shore<\/div>\n<p class=\"lead\">Same fixture, every couple of months. It&#8217;s not bad luck: it&#8217;s a clue. Here are the real reasons a bulb keeps burning out, and the case where it reveals a more serious problem across the whole house.<\/p>\n<div class=\"cta-row\"><a class=\"btn btn-p\" href=\"#soumission\">Have my fixture diagnosed \u2192<\/a><a class=\"btn btn-g\" href=\"tel:5145031353\">514-503-1353<\/a><\/div><\/div><\/header>\n\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">The context<\/span><h2 style=\"margin:14px 0 18px\">Always the same lamp giving up the ghost?<\/h2>\n<p>You just changed the bulb\u2026 again. Always the same fixture, every couple of months. Frustrating \u2014 but above all, it&#8217;s <strong>not bad luck<\/strong>. A bulb that keeps burning out in the same spot is a <em>clue<\/em>: something, in that fixture or the installation, is cutting its life short. Here are the real causes, how to spot them, and the case where it reveals a more serious problem across the whole house.<\/p>\n<\/div><\/section>\n\n<section class=\"section band\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">The diagnosis<\/span><h2 style=\"margin:14px 0 10px\">The real causes of a bulb that burns out<\/h2>\n<p class=\"lead\">Six culprits come up almost every time.<\/p><\/div>\n<div class=\"grid-3\">\n<div class=\"card\"><div class=\"num\">1<\/div><h3>Vibration<\/h3><p>Ceiling fan, garage door, a floor that moves above: the shaking breaks the filament of incandescent and halogen bulbs. LEDs, with no filament, are immune.<\/p><\/div>\n<div class=\"card\"><div class=\"num\">2<\/div><h3>The wrong wattage<\/h3><p>A bulb too powerful for the fixture overheats and burns out fast \u2014 and damages the socket. Respect the maximum wattage printed on the fixture.<\/p><\/div>\n<div class=\"card\"><div class=\"num\">3<\/div><h3>Overvoltage<\/h3><p>If the home&#8217;s voltage is too high, bulbs burn out everywhere, often. It&#8217;s the sign of a supply problem to take seriously (see below).<\/p><\/div>\n<div class=\"card\"><div class=\"num\">4<\/div><h3>A loose connection<\/h3><p>A loose wire at the fixture creates micro-cutouts and heat that &#8220;kill&#8221; the bulb repeatedly \u2014 and can blacken the socket.<\/p><\/div>\n<div class=\"card\"><div class=\"num\">5<\/div><h3>A worn socket<\/h3><p>The little contact spring at the bottom of the socket sags over time: poor contact, arcing, bulbs that fail early.<\/p><\/div>\n<div class=\"card\"><div class=\"num\">6<\/div><h3>Dimmer or quality<\/h3><p>A non-&#8220;dimmable&#8221; LED on a dimmer, or low-end bulbs, burn out early. Brand and compatibility matter.<\/p><\/div>\n<\/div><\/div><\/section>\n\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">The guiding test<\/span><h2 style=\"margin:14px 0 18px\">One lamp, or across the whole house?<\/h2>\n<div class=\"grid-2\" style=\"margin-top:8px\">\n<div class=\"card\"><h3>A single lamp affected<\/h3><p>The problem is <strong>local<\/strong>: vibration, wrong wattage, incompatible dimmer, or the fixture&#8217;s connection or socket. We fix the fixture \u2014 or switch to LED.<\/p><\/div>\n<div class=\"card\"><h3>Everywhere, and often<\/h3><p>If bulbs burn out all over the house, beware: <strong>voltage too high<\/strong> or a <strong>loose neutral<\/strong>. This is no longer a bulb issue \u2014 it&#8217;s the supply to check.<\/p><\/div>\n<\/div>\n<div class=\"note\"><b>The link to know:<\/b> bulbs burning out everywhere <em>and<\/em> lights that vary in brightness point to the same culprit. We explain it in our guide <a href=\"https:\/\/groupequenneville.com\/en\/lights-flickering-in-house-causes\/\">&#8220;My lights are flickering&#8221;<\/a> \u2014 the notorious loose neutral, to address quickly.<\/div>\n<\/div><\/section>\n\n<section class=\"section band-green\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">The simple solution<\/span><h2 style=\"margin:14px 0 14px\">In 8 cases out of 10: switch to LED<\/h2>\n<p>Most bulbs that burn out are still incandescent or halogen. LED solves the problem on its own, most of the time.<\/p><\/div>\n<div class=\"stats\" style=\"margin-top:10px\">\n<div class=\"stat\"><div class=\"big\">\u2248 15-25 yrs<\/div><div class=\"cap\">Lifespan of a quality LED<\/div><\/div>\n<div class=\"stat\"><div class=\"big\">0 filament<\/div><div class=\"cap\">Immune to vibration<\/div><\/div>\n<div class=\"stat\"><div class=\"big\">\u221280%<\/div><div class=\"cap\">Energy vs incandescent<\/div><\/div>\n<\/div>\n<div class=\"narrow\" style=\"margin-top:24px\"><p>An LED has no fragile filament, runs cool and lasts for years. You just have to pick the right one: a <strong>&#8220;dimmable&#8221;<\/strong> bulb if you have a dimmer, a <strong>good certified brand<\/strong>, and the right <strong>white tone<\/strong> for the room. We guide you in our article <a href=\"https:\/\/groupequenneville.com\/en\/led-bulb-warm-white-or-cool-white\/\" style=\"color:#cfe3c4\">&#8220;Warm white or cool white?&#8221;<\/a><\/p><\/div>\n<\/div><\/section>\n\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">The red flag<\/span><h2 style=\"margin:14px 0 18px\">When it becomes a warning sign<\/h2>\n<p>Most of the time, a bulb burning out is harmless. These signs are not:<\/p>\n<ul class=\"clean warn\" style=\"margin-top:16px\">\n<li>Bulbs burn out <strong>across the whole house<\/strong>, more and more often.<\/li>\n<li>They <strong>burn too bright<\/strong> before failing, or the lighting <strong>varies in intensity<\/strong>.<\/li>\n<li>The <strong>socket is blackened<\/strong>, smells burnt, or the bulb gets hot abnormally fast.<\/li>\n<li>The fixture <strong>crackles<\/strong> or flickers in addition to burning out bulbs.<\/li>\n<\/ul>\n<div class=\"note hot\" style=\"margin-top:20px\"><b>Why it&#8217;s serious:<\/b> overvoltage (voltage too high) or a loose neutral &#8220;cooks&#8221; your bulbs and, worse, damages your electronics. A blackened socket signals an arc. In both cases, cut the power and have it checked \u2014 it&#8217;s a real risk, not a quirk.<\/div>\n<\/div><\/section>\n\n<section class=\"section\"><div class=\"wrap narrow\"><span class=\"kicker\">We fix the cause<\/span><h2 style=\"margin:14px 0 18px\">Rather than buying bulbs forever<\/h2>\n<p>Changing a bulb every two months is costly and annoying. Our team identifies the real cause \u2014 vibration, connection, worn socket, unsuitable dimmer or supply problem \u2014 and fixes it once. We often take the chance to convert the fixture to LED and settle the question for years.<\/p>\n<div class=\"note\"><b>We handle it:<\/b> fixture diagnosis, re-terminating a connection, replacing a socket or dimmer, checking the voltage and the service in case of doubt. Regular rate <b>$150 + $140\/hr<\/b> (1 hr min); emergency <b>$495 + $255\/hr<\/b>.<\/div>\n<\/div><\/section>\n<section class=\"section band-green\"><div class=\"wrap\"><div class=\"narrow center\"><span class=\"kicker\">Why Groupe Quenneville<\/span><h2 style=\"margin:14px 0 14px\">We fix the cause, not just the bulb<\/h2>\n<p>A CMEQ-certified company holding an RBQ licence, serving Greater Montreal, <a href=\"https:\/\/groupequenneville.com\/en\/electrician-laval\/\">Laval<\/a>, the North Shore, the Laurentians and Lanaudi\u00e8re. We find why your bulbs keep burning out and fix it at the source \u2014 often by switching to LED, for years of peace of mind.<\/p><\/div>\n<div class=\"stats\"><div class=\"stat\"><div class=\"stars\">\u2605\u2605\u2605\u2605\u2605<\/div><div class=\"cap\">4.9 \/ 5 \u2014 249+ Google reviews<\/div><\/div><div class=\"stat\"><div class=\"big\">CMEQ<span style=\"font-size:19px\"> \u00b7 RBQ<\/span><\/div><div class=\"cap\">Certified company<\/div><\/div><div class=\"stat\"><div class=\"big\">5-yr<\/div><div class=\"cap\">Warranty \u00b7 $5M insurance<\/div><\/div><\/div><\/div><\/section>\n<section class=\"final\" id=\"soumission\"><div class=\"wrap\"><span class=\"kicker\" style=\"color:#9Fc48c\">Take action<\/span><h2 style=\"margin:14px 0 4px\">Tired of buying bulbs?<\/h2>\n<p class=\"lead\">We find the real cause and fix it once and for all. Clear quote.<\/p>\n<div class=\"cta-row\" style=\"margin-top:30px\"><a class=\"btn btn-p\" style=\"background:#fff;color:#1F3D2B\" href=\"tel:5145031353\">\ud83d\udcde Call an electrician<\/a><a class=\"btn btn-g\" style=\"background:transparent;color:#fff;border-color:#fff\" href=\"#form\">Request a quote<\/a><\/div>\n<div class=\"contact\"><a href=\"tel:5145031353\">\u260e 514-503-1353<\/a><a href=\"https:\/\/groupequenneville.com\/en\/\" target=\"_blank\" rel=\"noopener\">\ud83c\udf10 groupequenneville.com<\/a><\/div>\n<div id=\"form\"><div class=\"ghl\"><iframe src=\"https:\/\/api.leadconnectorhq.com\/widget\/form\/eis7Ed6eoyBgcKjuLdtw\" style=\"width:100%;border:none;min-height:780px;border-radius:12px\" id=\"inline-eis7Ed6eoyBgcKjuLdtw\" data-layout=\"{'id':'inline'}\" data-trigger-type=\"alwaysShow\" data-form-name=\"Form\" data-height=\"780\" data-layout-iframe-id=\"inline-eis7Ed6eoyBgcKjuLdtw\" data-form-id=\"eis7Ed6eoyBgcKjuLdtw\" title=\"Form\"><\/iframe><\/div><\/div><\/div><\/section>\n<section class=\"section\"><div class=\"wrap narrow\"><div class=\"center\"><span class=\"kicker\">Frequently asked questions<\/span><h2 style=\"margin:14px 0 26px\">What people ask us<\/h2><\/div>\n<div class=\"faq\"><details open><summary>Why does my bulb keep burning out in the same spot?<span>+<\/span><\/summary><p>It&#8217;s not bad luck: that fixture has a specific cause. The most common are vibration (fan, garage door) breaking the filament, a bulb too powerful for the fixture, a loose connection, a worn socket, or a dimmer incompatible with an LED. We identify which and fix it.<\/p><\/details>\n<details><summary>Is it dangerous when a bulb burns out often?<span>+<\/span><\/summary><p>Often no, it&#8217;s local and harmless. But if bulbs burn out all over the house, if they burn too bright before failing, or if the socket is blackened and smells burnt, it&#8217;s a serious signal: overvoltage, loose neutral or an electrical arc. Those cases also damage your appliances and warrant a quick check.<\/p><\/details>\n<details><summary>Can vibration make my bulbs burn out?<span>+<\/span><\/summary><p>Yes, it&#8217;s a classic cause. Under a ceiling fan, near a garage door, or beneath a floor that moves, the shaking breaks the fragile filament of incandescent and halogen bulbs. The simplest fix is switching to LED, which has no filament and resists vibration.<\/p><\/details>\n<details><summary>Do LED bulbs burn out too?<span>+<\/span><\/summary><p>They last much longer \u2014 often 15 to 25 years \u2014 but they can fail early if they&#8217;re low-end, if a non-&#8220;dimmable&#8221; LED is on a dimmer, or if there&#8217;s a faulty connection or overvoltage. Choosing a good certified brand compatible with the dimmer solves most cases.<\/p><\/details>\n<details><summary>Bulbs burning out everywhere \u2014 what does that mean?<span>+<\/span><\/summary><p>It&#8217;s often the sign of voltage too high in the house or a loose neutral at the panel or the Hydro connection. This fault &#8220;cooks&#8221; bulbs and can damage your electronics. Unlike a single bulb, this case should be checked quickly by an electrician.<\/p><\/details>\n<details><summary>Can the wrong wattage damage my fixture?<span>+<\/span><\/summary><p>Yes. A bulb whose power exceeds the maximum printed on the fixture overheats: it burns out fast and can damage the socket and wiring, even creating a fire risk. Always respect the maximum wattage \u2014 and with LEDs, this constraint nearly disappears, since they run very cool.<\/p><\/details>\n<details><summary>Why is my socket blackening?<span>+<\/span><\/summary><p>A blackened socket signals overheating or an electrical arc, usually from a loose connection or a sagging contact spring. It&#8217;s more than a bulb problem: cut the circuit and have the fixture checked, since an arc in a socket is a possible fire cause.<\/p><\/details>\n<details><summary>How much does it cost to fix a fixture that burns out bulbs?<span>+<\/span><\/summary><p>At Groupe Quenneville, a regular visit is $150 travel plus $140\/hr (1 hr minimum), and an emergency is $495 plus $255\/hr. We find the exact cause \u2014 vibration, connection, socket, dimmer or supply \u2014 and fix it, often by converting the fixture to LED to settle the matter for good.<\/p><\/details><\/div><\/div><\/section>\n<footer class=\"foot\"><div class=\"wrap\"><p>Groupe Quenneville \u2014 Residential \u00b7 Commercial \u00b7 Industrial \u00b7 Montreal, Laval &amp; North Shore<br>514-503-1353 \u00b7 groupequenneville.com<\/p>\n<p class=\"src\">Sources : <a href=\"https:\/\/www.cmeq.org\/\" target=\"_blank\" rel=\"noopener nofollow\">CMEQ<\/a> \u00b7 <a href=\"https:\/\/www.rbq.gouv.qc.ca\/\" target=\"_blank\" rel=\"noopener nofollow\">RBQ<\/a> \u00b7 <a href=\"https:\/\/www.hydroquebec.com\/\" target=\"_blank\" rel=\"noopener nofollow\">Hydro-Qu\u00e9bec<\/a>.<\/p><\/div><\/footer>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why does my bulb keep burning out in the same spot?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's not bad luck: that fixture has a specific cause. The most common are vibration (fan, garage door) breaking the filament, a bulb too powerful for the fixture, a loose connection, a worn socket, or a dimmer incompatible with an LED. We identify which and fix it.\"}},{\"@type\":\"Question\",\"name\":\"Is it dangerous when a bulb burns out often?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Often no, it's local and harmless. But if bulbs burn out all over the house, if they burn too bright before failing, or if the socket is blackened and smells burnt, it's a serious signal: overvoltage, loose neutral or an electrical arc. Those cases also damage your appliances and warrant a quick check.\"}},{\"@type\":\"Question\",\"name\":\"Can vibration make my bulbs burn out?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it's a classic cause. Under a ceiling fan, near a garage door, or beneath a floor that moves, the shaking breaks the fragile filament of incandescent and halogen bulbs. 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The 6 real causes, the test to guide the diagnosis, and when it&#8217;s a warning sign.<\/p>\n","protected":false},"author":7,"featured_media":8706,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90],"tags":[],"class_list":["post-8427","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-troubleshooting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Light Bulb Keeps Burning Out: The Real Causes<\/title>\n<meta name=\"description\" content=\"A bulb that keeps burning out in the same fixture isn&#039;t bad luck. 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