I'm replacing a ceiling fan and found the same problem as Cathy Ashley with 3 each white, black and ground coming from ceiling. None were marked, and I couldn't remember how they were originally connected so I connected all white together and all black together and all ground together. I know very little about electricity. When I turned on the power and switch, man it popped and cared me to death. I was standing at the switch and turned it off immediately. I found the senario on this site and tested the wires as instructed. Problem is only two of the black wires are hot and none of the white are hot. So I don't know what to do. Also, I replaced the switch and it didn't have any instructions. Is the black and white wires coming out of the wall supposed to be connected to the switch a certain way?

  • Probable question mentioned: diy.stackexchange.com/q/106960/43874 – JPhi1618 Mar 5 '19 at 15:32
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    There's some good advice in that linked question, but for next time : take a photo and label wires... – Solar Mike Mar 5 '19 at 15:41
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    You have a switch loop in there, so you need to send power down one of the whites and back via its partner black. It's probably the cable with the unpowered black. – isherwood Mar 5 '19 at 15:49
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    Isherwood that should be an answer, sounds like the switch loop created a short when switched on. – Ed Beal Mar 5 '19 at 15:59
  • Yeah, previously there was a splice between 2 blacks and a white and nothing else connected to that... they took it apart anyway and lost the information of which white that was. That was the mistake. Cables are manufactured in only B/W so color coding is less meaningful than people expect. – Harper - Reinstate Monica Mar 5 '19 at 16:03

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