How does a mini light tester work?

To use, simply hold down the black button and move the tester down the length of the light set so that the sensor is near the top of each bulb. The red indicator will light when near a functioning bulb, but will not light when near a faulty bulb.

How do I know which mini light is burned out?

You can tell which bulb is out on your string of traditional Christmas lights by looking for the bulb that is “burned out” by looking at the tiny little filaments in the light bulbs to see which bulb is “burned out” or has lost it’s filament. Many times the bulb will be “smoked” as well.

How can you tell which bulb is burned on 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.

Do you have a Christmas mini lightbulb tester?

One of the wonders of Christmas time is the wonderful way people light their homes with Christmas mini-lights. They are the outdoor version of Christmas tree lights. But sometimes the string of lights goes out or partially goes out. Save money buying new ones when you can build a simple tester that will locate the bad bulb.

How do you make a light bulb tester?

With the tester, all you need is a supply of spares. Hold the top of the pill bottle you will be using as a testing device and remove the cap. Drill two small holes in the center of the top spaced about half inch apart. This will serve as the test plug for your light bulb.

How do you test a light bulb in a pill bottle?

Hold the top of the pill bottle you will be using as a testing device and remove the cap. Drill two small holes in the center of the top spaced about half inch apart. This will serve as the test plug for your light bulb.