Strangest Electrical Problem I ever encountered

Could you give an explanation of this scenario? Maybe how to correct it? I have what sounds like the same problem. The switch at either end of the hall will turn the light on or off, but only if the switch at the opposite end is in the “correct” position. It’s been like this since buying this house 20 years ago. Although I have installed a 100 amp panel in my garage and run several […]

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