Maybe shut down the whole panel or test every wire for power. Assume nothing.Originally Posted by Ken Fitzgerald
I turned off the breaker for a basement lighting circuit at my sister’s house to add a light fixture then tested and found the bottom switch was still hot although the lights were out! Someone had wired a 3 switch circuit for that circuit, one switch at the basement door, one at at the top, and one at the bottom of the stairs. But for some reason connected the switch on one end to one breaker and another to a different breaker!! I didn’t even try to diagram and figure out how that had been working but ripped out the second feed and rewired the switch circuit.
Again, assume nothing.
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