Only 1 of the black wires seem to be hot lights up the voltage tester when touching the 3 whites and one black together. A three way switch is different.
How To Wire A Light Switch Bob Vila
Light switch 3 black wires. This type of switch lets you turn the light off or on from more than one place in the room. I got a black and decker guide for basic electrical repairs and tried to fix it myself. It is also usually black. In this diagram power enters the fixture box. This is the wire that connects your switch to your light bulb or other load ie. If it doesnt work switch the lower wires.
If it helps the this light switch turns on two seperate ceiling lights in the bedroom. Replacing single pole light switch with 3 black wires a few days ago an issue developed where whenever i flipped a certain light switch the light wouldnt come on but the gfci would trip. When i put all 3 black together and all3 white together the light works as long as the switch is in the off position. This is a typical wiring setup for a 3 way light switch with black white red and ground wires. While a single black wire is pigtailed and connected to the bottom screw non green screw. A fan or other appliance.
The black hot wire connects to the far right switchs common terminal. When turning off the switch via the circuit breaker the bedroom light s and the adjacent master bathroom lights will turn off. Red and blue wires link traveler terminals of both switches. The other two black wires trigger no response. In a 3 way configuration the line wire should be connected to the common terminal of the brilliant control. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture.
I have 3 white wires and 3 black wires in a light fixture.
Gallery of Light Switch 3 Black Wires
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