Matchless Wiring Up A 3 Way Light Switch

How to wire a three way light switch.

Wiring up a 3 way light switch. Basic 3 way switch diagram how to wire 3 way light switch step by step. A three way light switch is one where you have two switches that have the ability to control the same light or set of lights. Turn off the correct circuit at your electrical panel.

Finally run the last 2 wire cable from the second switch s black screw to the light. The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on. Turn the power off at circuit breaker.

The ground wire goes through both switch boxes and the ceiling light box and it is connected at all junctions except the light with a pigtail short piece of wire and wire connector. Either way complete these five steps for 3 way light switch wiring. To wire a 3 way light switch you ll need 2 3 way light switches 2 2 wire non metallic cables 1 3 wire non metallic cable and 2 6 inch grounding wires.

Add an electrical box for the second 3 way switch in the basement. Then connect the 2 switches by splitting the 3 wire cable apart and attaching each of the 3 wires to one of the other 3 screws on each switch. Two three way switches control one light with the electric power coming through the first switch flowing to the second switch and then to the light fixture.

Therefore the 2 switches the light 3 way. A 3 way switch allows you to turn a light on or off from two different switches. It s likely you ll also need to replace the existing switch box with a larger one to accommodate the extra wires for the 3 way switch.

First run a 2 wire cable from the wall power to the black screw on 1 of the switches. To make sure there s no room for doubt you can use a. Be sure to identify the electrical circuit correctly you ll be wiring into and turn off the breaker at your home s main electrical panel.