Cool 2 Black Wires To Light Switch

Basic knowledge of how to wire a light switch.

2 black wires to light switch. Change the light switch that operates on both sides of the wall. Red wire this wire is used for 3 or 4 way switches and will connect the switches together so they can each control your lights. Important if you are replacing an existing switch make sure that you.

Bare copper green wire this is your ground wire. It s a switch nothing more. Assuming it is a steel box.

Power goes to the bottom screw. When wiring a 2 way switch circuit all you re really doing is controlling the power flow switching off on to the load a light lamp outlet ceiling fan etc now a typical circuit will contain a 3 wire cable known as romex. White wire this is the neutral wire.

2 blacks wires hot lead 1 red wire relay. First of all we should connect the ground wires to the box. 15 minutes to change.

The two white neutral wires are connected because the white wire coming into the switch box is connected to the light switch neutral. Switch turned on up then should bring power to the top screw wire light fixture. Wiring a light switch with the power coming to the switch and then going to the lights you will notice that there are two black wires two white wires and two ground wires bare wires.

2 wire lighting systems this is the most common lighting system in europe almost all homes use this system especially in the uk and nordic regions. Black wire power or hot wire. The cable consist of a black wire a white wire and a bare copper wire.