Why are strings of Christmas lights so unreliable? Why aren’t strands made so that a single light can go out and the rest stay on no problem?
In: Engineering
Most Christmas lights are made up of multiple strings of lights in a series, which means that the electricity flows through one bulb then goes through the next an so on. If one of bulbs goes out it’s like cutting the wire between them there’s no path for the electricity to flow.
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