On a smart switch, the red wire often connects to the switch leg to control a light or other load. Within an electrical box, a red wire may be a traveler, a switch leg or the second hot of a 240 ...

Go to the main electrical panel and flip off the circuit breaker that’s feeding power to the light switch. (Or, unscrew the fuse if your home has a fuse box.) ...

If you do have this wire, Donnelly says to attach it to the green screw, which will be on your light switch. Step 5: Replace the switch plate Use a screwdriver to place the switch plate back on ...

5. Connect your outlet. Strip the ends of your wires clean to about ¾ on an inch and attach the black wire that goes to the light switch and a black jumper wire to the power source with a wire nut.

Rocker switch wiring might seem complicated, but it's easy to understand once you break it down. These switches are things we ...

My house was built in the 50s, with wiring from that time period. I'm trying to understand how to connect a modern switch up in the place of an existing old one and it just isn't making sense to me.