Three Way Light Switch Circuit Diagram

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

Three way light switch circuit diagram.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Typical 3 way switch wiring nm cable. Interested in a 4 way switch wiring diagram.

3 way switched outlet wiring. 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. Three wire cable runs between the switches and the outlet. 3 way switch wiring diagram depicting all wires in the ceiling junction box.

With these diagrams below it will take the guess work out of wiring. Turn the power off at circuit breaker. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. 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.

Take a closer look at a 3 way switch wiring diagram. The black and red wires between sw1 and sw2 are connected to the traveler terminals. The black hot wire connects to the far right switch s common terminal. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit.

In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. 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. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.

Three wire cable runs between the switches and 2 wire cable runs to the light. The black line wire connects to the common terminal of the first 3 way switch. This circuit is wired the same way as the 3 way lights at this link. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.

This might seem intimidating but it does not have to be. 3 way switch diagrams for multiple light fixtures. Traveler wires are interchangeable on each switch.