Easiest Way To Test Christmas Lights

Testing the connections and wiring in fairy lights 1.

Easiest way to test christmas lights.

How to find a bad bulb in christmas lights. A string of christmas lights typically has one or two tiny fuses in the plastic box attached to the prongs. Then you attach the lights on a slide piece with clips. Open the fuse case.

Test the bulbs start at the plug end. Make sure that the cathode and anode are not touching each other during this test which may prevent the current from. Begin at one end of the darkened string of christmas lights and carefully remove the first bulb. Examine the plastic closely on the side of this box and in between the prongs for a cover you can slide or pry open.

Some christmas light testers work by having you slide each christmas light bulb through a hole. Light testers search for the point in the string where the voltage changes between a good bulb with current flowing and a problem area with minimal current. There s a way to test and fix the entire string of miniature lights without testing each bulb individually. You can see how to wire a plug and test cables here 3.

The black and red probes should also not be touching each other during the test. When they don t work 2. Step 2 locate the two wires on the bottom of the bulb and touch a probe to each wire ensuring that the probes do not touch each other or more than one wire. Making the connections should cause the led to light up.

From the string and move it along the cord until it stops beeping at the defective bulb. Unpack your bulbs and plug them in to test they work before you put them on the tree. These often get stuck so you may need to use some force. It s a strip of trim you affix to your house.

Check the fuse and wiring in the plug. Usually changing a problem bulb or tightening it will fix the entire strand. Looks like it will make hanging outdoor lights on the house really easy.