However if you need to rewire a light switch or a plug socket you may occasionally come across two black wires. When you see a red wire in a light switch box it can mean two things.
Electrical Wire Colors And What They All Mean Solved Bob Vila
Light switch 2 red wires 1 black. It could be there is or once was a three way switch in play. Rf lighting 21 nov 2010. Connect the red wire coming from the outlet to the bottom switch terminal and now the lower receptacle on the split tab outlet will get power only when the switch is on. Black means hot white signifies neutral and green indicates ground. When installing a ceiling fan youll often find that the black wire coming from the wall switch provides switched power to the fan motor. Going out of both boxes and into your light fixture will be 143 wire which has a black wire hot a white wire neutral a red wire traveler and a bare copper wire ground.
There appear to be two white assume neutral wires screwed together with a wire nut and a ground wire tucked away inside the junction box. Well cover the easier scenario first. Twist the two copper wires in the first box together and attach them to the ground nut on the switch. Yep just transfer the wires across to the new switch connecting them to the same terminals as they are now. The united states has strict codes relating to home wiring including clearly defined colors on the outer casing of the wires. Or it could be the red wire is the wire going to the fixture and the black wires are the live wires.
Dont worry about having two reds and a black this is quite normal. If your new ceiling fan has a light a red wire from a. Connect the black jumper wire to the top terminal screw on the switch and now both the switch and the top receptacle in the split tab outlet have power. This is an older house circa 1967 and the wiring appears to be all over the place. There are two black wires attached to one brass screw and a red wire attached to the other brass screw.