Question

how to find a bad bulb on christmas lights

Talkie AI Solution

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Elf
To find a bad bulb on Christmas lights, you can use a light bulb tester to test each bulb individually. If the tester lights up, then the bulb is good. If the tester does not light up, then the bulb is bad. You can also try plugging in the lights and looking for the dark bulbs to identify the bad ones.
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