Christmas Light Bulb Tester Instructions

Pull out one bulb at a time and stick a piece of folded up foil into the bulb socket.

Christmas light bulb tester instructions. An led light on the unit stays lit when it detects a hum. To use the light tester remove the battery cover and insert. Adjust the spacing between the two prongs to be the width of one of the light sockets in the christmas lights. There s a way to test and fix the entire string of miniature lights without testing each bulb individually.

Plug the light set into the outlet located on the front of tester. Lights should kick. One of the neon bulbs should light. Move halfway down the set and insert the probe again.

If you don t have any replacement bulbs you can leave the foil in until you do. Carefully splice the cord down the middle so you have two separate pieces that are still attached to the plug. Remove a bulb from an unlit section plug the empty socket into the connector plug the string into an electric outlet then squeeze the trigger until the lights turn on. One of 4 things should happen.

Plug in both the tester and the bulb set. Instead of going out and buying one of those fancy light testers that don t seem to work like they should try this to test your mini lights and see if they work and need to be replaced. Over at wikihow i found this tutorial on how to make a mini christmas light bulb tester. A hum tracer tester works by detecting the electromagnetic vibrations generated by household electrical current.

Now plug the christmas light bulb into the tester and see if it lights. If they don t put the bulb back in and move on to the next one. Insert the tip of the tester s probe into the wire hole in the base of the first bulb. Instructions on use and care of the christmas light tester are included.

If the lights come on you know that s the bad bulb. Place the electric cord next to the d battery. If the same neon bulb lights then the problem is in the second half of the set. Test 100 incandescent light tester instructions plug the light tester into a standard 120 volt outlet and flip up the on off power switch.

If the light doesn t light then the bulb was bad. The christmas light tester comes with 2 lr44 watch batteries.