I have a ceiling light that is controlled by two switches, however when one of the switches is off the other switch does not work. What is the issue and how can I fix it?
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Well, look at the simple diagram below:
If one switch is stuck then the other will complete the on/off function, but if one of the parallel wires is broken then the symptoms will be similar. A multimeter to test what is happening would be my next move.
As my simple diagram seems to confuse people, here is a picture taken from this source which shows a similar circuit, but this only needs a single wire to go between the two switches...:
(source: Light Wiring Diagrams)
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