When you see a red wire in a light switch box it can mean two things. 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.
An Electrician Explains How To Wire A Switched Half Hot
Single pole switch with red and black wires. 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. One of the red wires and one of the black wires supply power to the switch and the other two wires feed the device controlled by the switch. There should be one wire only under each terminal. Stab a black wire into the back of the switch and correctly wrap the red wire around the bottom. It could be there is or once was a three way switch in play. I have single pole light switch with 3 black wires.
New timer is single pole with hot black output red and ground green. When you flip the switch power is cut to both circuits simultaneously. How to wire a lutron control with 1 black and 1 red wire in a single pole application. Spark shark licensed electrician since 1995 colorado replied 16 days ago if the light stays on now regardless of the switch position then the two black wires need to be separated and were not connected before. Note the switch wiring. The new switch has a different way to attach.
Or it could be the red wire is the wire going to the fixture and the black wires are the live wires. Two red and two black. One black wire attached to top screw. Examples include lutron grafik t controls. Well cover the easier scenario first. If you have one in your house youll see four hot wires connected to it.
Another black is in a loop around bottom screw and 3rd screw is in hole next to bottom screw. The other may be black red or white. One of these is the power feed and one is the switch leg but the switch terminals are interchangeable so there is no need to identify which is which. One of these will likely be black.