QA

Quick Answer: Why Aren T My Christmas Lights Working

What causes Christmas lights to stop working?

Individual lights usually stop functioning for one of two reasons: they’re loose or they’re burnt out. When bulbs loosen from the string, they may disconnect from their housing. All you’ll have to do in that case is tighten them a little bit. They should turn back on as soon as they’re housed properly.

How do I get my Christmas lights to work again?

How to Fix a String of Christmas Lights Diagnose the problem. Carefully inspect each string of lights before plugging it into an electrical outlet. Find the bad bulb, and swap it out. Fix the faulty filament or shunt. Replace the fried fuse. Upgrade your lights.

What do you do with Christmas lights that don’t work?

Don’t Throw Your Dead Holiday Lights in the Trash—Do This Instead Take holiday lights to a local waste management facility. Inquire if your local home improvement center or hardware store accepts them. Ship holiday lights for recycling—and receive a discount for your efforts.

How do you know which bulb is out on Christmas lights?

The easiest way to find faulty bulbs on incandescent Christmas lights is with a Christmas light tester. Simply bring the light tester close to each bulb. The tester’s indicator will light up when it’s near a functioning bulb.

How do I know if my Christmas light fuse is blown?

Check the Fuses You can sometimes tell by sight if a fuse has blown; the metal filament inside the glass cylinder will have a break in it. Learning how to change a fuse in Christmas lights is simple: Open the sliding compartment door and remove the fuse(s).

How do you fix Christmas lights that won’t turn on?

Check the fuse or fuses from the plug at the end of the light strand (usually the glass-cylinder type with a wire filament). Use a small screwdriver to pop out the tab and open the plug. If the fuse is charred or burned out, replace it with a new fuse, and plug the light strand in your outlet.

How long do Christmas lights last?

Holiday lights, like a lot of things in your home, require maintenance and regular replacement. Do you know the life span of your lights? Incandescent bulbs should be replaced every 4-6 years. LED lights last a bit longer, for 7-10 years.

What kind of fuse do Christmas lights use?

Incandescent Mini Light Sets use 3 amp fuses. Heavy Duty light sets 5V use 3 amp fuses. C7, C9 light sets use 5 amp fuses. G40, G50 light sets use 5 amp fuses.

How can I test Christmas lights without a tester?

Pull out one bulb at a time, and stick a piece of folded up foil into the bulb socket. If the lights come on, you know that’s the bad bulb. If they don’t, put the bulb back in and move on to the next one.

How do you troubleshoot 3 wire Christmas lights?

Unplug the lights. Locate the tiny fuses (there should be two: one on each side of the AC line, inside the AC plug). The door will either slide out or will have to be pried away, depending on the set of lights you have. Swap out a fuse with a replacement fuse (this typically is included with the lights purchase).

Can you use Christmas lights without fuses?

Christmas lights can blow, catch fire and can overload the circuit etc so must have fuses to take the force and thereby protect the instrument, the home, the family etc.

Why are half of my Christmas lights blinking?

There are a couple of reasons your Christmas light string is flashing on and off. You have a red-tipped flasher bulb installed in a socket. The flasher bulb will only cause the circuit it is a part of to flash on and off. If your light string has multiple circuits then that’s the reason only a portion is flashing.

Why do Christmas lights have 2 fuses?

Typically, these strings of lights have two tiny fuses, one in each side of the AC line, located inside the AC plug. The fuses are intended to melt or “blow” before the copper wires in the string could melt or cause a fire from overload. Sometimes the instructions with the lights say, for example: “DO NOT OVERLOAD.

How much do permanent Christmas lights cost?

How much are permanent Christmas lights? On average, permanent holiday lights cost around $3,500 to install. In exchange, you get decoration that lasts for years. The only additional price will be replacing your LED bulbs every four to six years.

Is it safe to use old Christmas lights?

“Brittle or exposed wire indicates that your incandescent string lights are past their prime and potentially unsafe to use,” says John Banta, a CR test engineer. If the wire is pliable, plug the strand in to test the bulbs. If a few bulbs are out and you have the original spares, it’s safe to replace them.

When should I replace my outdoor Christmas lights?

If your lights go out after plugging them in, it may be because you’ve strung too many together and blown a fuse. Each plug that goes into the outlet has a small sliding door. If you gently pry it open, you may see a fuse that’s black, or the glass may be broken. This means it’s time to replace it.