![]() The amounts of power your Christmas lights draw depend on several things. How much power does my Christmas lights draw? ![]() Proceed to the next socket and check all the bulbs individually until the Christmas lights are well lit.Insert the working or new bulb into the testing position.A zero reading shows a functioning light bulb while a non-zero indicates a malfunction, and the bulb should be replaced. Observe the multimeter’s resistance reading.The multimeter will emit a low voltage which tests if the bulb is burned out or not. Find the two wires at the bottom and let the probe touch each wire as long as the probes do not touch each other or more than a single wire.Start at the darkened string end and remove the first bulb carefully.You need to test individual bulbs as follows: How to fix Christmas lights when the whole string is out If the problem persists, then you should unplug the lights and test individual bulbs.If not, replace it and plug in the lights before testing further if necessary. Touch the two multimeter probes to the fuse but on the opposite ends.Open the fuse access compartment situated at the male electrical plug.Once repaired, re-test to ascertain progress. In case there are variations, then you need to check for damages and fix them physically. If both readings are zero, then the circuit works properly from end to end. In case the reading is not zero, touch the probe to the other prong. Check and note the resistance when reading on your multimeter.Make sure the other probe touches one of the male plug prongs. ![]()
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