Set your multimeter to measure voltage. One possiblility is that the electrician that wired the house used a switch leg to control the fan.
How To Replace A Light Switch Dummies
Both wires to switch are hot. By the way one way this can happen is that the two wires are connected to different hot phases. Ill be able to check with a multimeter in a few hours to verify. I thought so too but if thats the case one of the wires should not have power until switched correct. Im in my parents house trying to add on a switch to previously stand alone ceiling light with a pull switch on it. If i have two black electrical wires how can i tell which one is hot. If the neutral is hot it could kill someone or start a fire.
After disconnecting both wires from the switch they both indicated hot from a non contact tester. Why would my white and black wires both be hotthey are going into my lightswitch box in my garage which operates my outside lighttrying to hook up new light fixture but ran into that issue and conventional wiring of the new fixture and and light switch isnt workingi dont know if im running into a switch leg wiring issue which i have read about and dont understandi just want to get the. In that case there would be voltage between them and lamps would work and it might have been like that for a long time. The voltage would be wrong but a lamp would still make light. Now i have to find the hot wire and the cold wire and both tested hot with 118v. Don a pair of protective rubber gloves before testing to find out which black wire is hot.
Voltage is the pressure of electricity flowing through a. The third switch is wired as a switch loop. My dad had decided to take out the light after the roofceiling had leaked and left both wires just hanging there. In this case one of the black wires in the fan would always be hot unless the breaker is turned.
Gallery of Both Wires To Switch Are Hot
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