How do Christmas lights work? How are they wired so that if one light goes out they all go out? And how does using one of those light guns fix all of them?
In: 1
It’s because lights are wired together sequentially. It pretty much means that to complete the circuit electricity passes through each of the bulbs one after another, so if one bulb is faulty the entire circuit will break, thus the electricity just won’t go through and it won’t light any bulbs
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