Light Switch Has 2 Black Wires And A Red Wire

You have a 2 way switch.

Light switch has 2 black wires and a red wire. The black wire goes to the bundle of black wires. 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. They are connected together by one using the backstab connector and the other the screw. There are two black wires attached to one brass screw and a red wire attached to the other brass screw.

I have a light switch in a bedroom that has two black wires and a red wire. How can wire this switch so read more. They should both be of the same wire gauge. If you are unsure you should really have a electrician come over and fit the light for you.

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. 12 awg for 20 amp circuits and 14 awg for 10 and 15 amp circuits. These wires when disconnected affect lights in the living room and plugs in two other bedrooms. 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.

The white wires on the fan go to the bundle of white wires. What if you re installing a ceiling fan. One of the black wires is probably the line and the other carries power to some other device on the circuit. You ll have two cables in the switch box a live one with a black and white wire and the one going to the outlet which has a red black and white wire.

I have an old switch in our master bedroom that controls the light in our small ensuite bathroom.