Three Way Lighting Circuit Diagram

Two very old three way switches.

Three way lighting circuit diagram.

Basic 3 way switch diagram how to wire 3 way light switch step by step. Two very old three way switches are depicted in the photo above. With these diagrams below it will take the guess work out of wiring. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box.

3 way switch schematic wiring diagram. Three wires between the two end switches probably using 3 core and earth cable. This is also known as the conversion method since it is the easiest way to add a second light switch to an existing circuit. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.

This might seem intimidating but it does not have to be. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. 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. Wiring a 3 way light switch. Interested in a 4 way switch wiring diagram. Take a closer look at a 3 way switch wiring diagram.

Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Pick the diagram that is most like the scenario you are in and see if you can wire your switch.