Reading 86v when switch is off, 124v when it is on….Help!


Working on renovating my dad’s house, and ran new lights and ceiling fan to a room. Ran wire from a new breaker over to the new switch. Above the switch, I have the new (powered) line tied into 3 switched runs…two sets of ceiling lights, and a ceiling fan. Before I even connected the light switches in the box, I am reading 86v on one line, 96v on another. I went ahead and connected one light switch, and while it does control a light hooked up to it, I still see 84v when the switch is off, 124v when the switch is on. Of course all the wiring is covered by ceiling now, so I am working blind. What could cause this type of behavior? via /r/DIY

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