Smart Light Switch 2 Black 1 Red

So on an occupancy switch like the enerlite hoss that cares about which wire is live the red wire in the switch box connects to the red wire on the switch.

Light switch 2 black 1 red. The white and bare wires are connected. It has to go to the screw that is a different color than the other two screws. All other single switch installations are wired with 2 wire ground black white bare to both the switch and the lamp.

From what you are saying it sounds like its the end of line for the lighting circuit therefore you have one permanently live cable and one switch cable. If you have a ground wire connect the ground wire to the green screw. Connect the black wire to the other brass screw.

If so connect the input hot lead to the gold and the lamp hot lead to the silver. The black that is twisted around the other two has to connect to a specific terminal on the 3 way switch. If the switch that was there is a standard light switch with two brass screws on it and one green screw you can connect the red wire to either of the brass screws.

The other black and the red are interchangeable on the two screws that are the same color. This is an older house circa 1967 and the wiring appears to be all over the place. If you join the two red wires together at the fitting in a suitable connector block or wago connector put one of the black wires in the live pot the switched live on the fitting and one of the black wires in the neutral pot and the green yellow.

Another possibility comes to mind especially if a dining room or high ceiling living room or such one of the box blacks may be incoming live to connect to the switch one the live wire out from the switch to the light and the other red live from the switch for a fan the black and red outbound leads both going to the same place but one for fan one for lights. The switch may have gold and silver colored screws. I have a light switch with two black wires one red and a ground answered by a verified electrician we use cookies to give you the best possible experience on our website.

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. But what about a regular old light switch. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.