![]() ![]() You are probably better off just tossing that string and replacing it.How many lights should go on a Christmas tree? If a fuse goes out again in that same string of lights or if your Christmas lights keep blowing a fuse, there’s probably an issue with the wiring or other hardware components themselves. You can find replacement fuses at most hardware stores, or stores that carry Christmas lights. Place the new fuse in the socket, pressing gently to ensure it’s properly seated, and then replace the fuse case cover.Apply gentle pressure to pop out the old fuse.Using a small flathead screwdriver, remove the fuse cover.Unplug the light string from the outlet and locate the fuse case on the light string.Try switching out the fuse for a new one. Despite your original thought, the fuse is bad.There are several possible issues here, and several steps to check in order: So, what about when none of the lights on a string will light up? You’ll know you’ve found it if it’s a bulb issue when the entire string lights back up. Repeat until you find the one that’s breaking the flow of power. If nothing happens, swap the old bulb back in, and move on to the next non-functioning bulb. Then, if a bulb flickers but won’t stay on, one of its plug-in filaments is likely broken or damaged, and you need to replace the bulb.įinally, if none of the bulbs flicker, exchange the first unit bulb with a new one. Test each bulb by giving it a wiggle, starting at the bulb nearest the plug, to make sure none of them are loose. In the case that several of the lights on your string are out, but several others are working fine, it’s almost always a burnt-out bulb that’s at fault. If starting elsewhere in the strand, a previous burn-out can affect the power supply to the remaining bulbs. If you have more than one burnt-out light, be sure to start your replacements with the faulty bulb nearest the power supply. ![]() Then test the socket with a voltage detector, and, if the socket has power, put in a new bulb. If you’re pretty certain that the bulb is kaput, use a bulb remover to pull it without damaging the socket. Dry needles or other decoration materials could get wedged into the socket, creating a fire danger. This shortens the lifespan of the over-stressed bulbs as well as the fuse.Īlso, never pull a bulb and leave an empty socket on a light string that’s plugged into an electrical source. Leaving non-functioning bulbs in a daisy chain of working lights can increase the electrical load on the remaining bulbs. What To DoĪs tempting as it may be, don’t ignore one or two burnt-out lights, even on a long strand where they’re not as noticeable. If a bulb seems wiggly, or you suspect that it’s loose, try pushing it a little more firmly into its light socket and see if that does the trick. Sometimes a bulb isn’t burnt out at all it’s just come loose from the socket, and lost connection to its power source. This can save you several trips to the store for individual swap-outs over the life of the sets you’re using. When buying new lights, pick up an extra strand of the same model to keep around for replacement bulbs. All you need to do is swap out the bad bulbs for new ones, and your illumination issues should solve themselves. If it’s just a bulb or two that’s burned out, and the rest of the string lights up fine, you’re in luck. If the wires don’t seem to be the problem, move on to the bulbs themselves. It’s not worth the fire risk to play around with messed-up wiring. Once the strands have been unwound or untangled and laid out straight, do a visual inspection of each one, looking for cracks or damage to the insulation, frayed spots or exposed wires.īe sure to check where the wire connects to the plug, too, as well as make sure that the power plug itself has no visible damage.ĭiscard any strings of lights that have visible damage. The first step to answering the question, “Why aren’t my Christmas lights working?” is to look closely at the actual string of lights. ![]() Run to the store and brave the crazed holiday crowds to buy even more lights? Learn to live with the dead spots in your otherwise perfectly decorated tree or home? Risk electrocution by trying to fix them yourself?Įvery year, millions of holiday homeowners ask themselves these questions while trying to complete their Christmas decorating to-do list.īefore you decide, let’s take a look at some of the common reasons why single or multiple Christmas lights might not be working even if the fuses are good. And, of course, the annual untangling and testing of last year’s snarl of Christmas lights.Īs usual, you’re probably going to find a few burnt-out bulbs, half-lighting strands and possibly even a string or two that don’t light up at all. Ah, ‘tis the season! Pretty packages, mistletoe and the aroma of cider. ![]()
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