Three Way Switch Diagram

Basic 3 way switch diagram how to wire 3 way light switch step by step.

Three way switch diagram. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit. Red and blue wires link traveler terminals of both switches. Three wire cable runs between the switches and 2 wire cable runs to the light. In this diagram power enters the fixture box.

The black hot wire connects to the far right switch s common terminal. This 3 way light switch wiring diagram shows how to do the light switch wiring and the light when the power is coming to the light fixture. Three way switches have become very popular because it adds convenience and ease to lighting in large rooms hallways and staircases. If you are trying to troubleshoot a 3 way switch operation you will need to identify the function of each wire.

At a glance 3 way switches look the same as the common single pole switch but instead of having only two screws on which to make your connections they have two connections on one side and one on the other. 3 way switch wiring diagram. Do this before you disconnect any wires from the switches. With these diagrams below it will take the guess work out of wiring.

All three way switch and 2 way switch wiring diagrams have the same basic components. Wires consisting of a line a load a neutral a pair of travelers and two 3 way switches. Turn the power off at circuit breaker. This might seem intimidating but it does not have to be.

The black and red wires between sw1 and sw2 are connected to the traveler terminals. 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.