Three Way Lighting Circuit 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.

Three way lighting circuit diagram.

3 way switch schematic wiring diagram. 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. Pick the diagram that is most like the scenario you are in and see if you can wire your switch. This is also known as the conversion method since it is the easiest way to add a second light switch to an existing circuit.

Two very old three way switches are depicted in the photo above. This is only a wiring schematic and not the actual wiring method used for 3 way switch installations. Usually the third wire passes the middle intermediate switch but is joined in a separate terminal block. 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. Basic 3 way switch diagram how to wire 3 way light switch step by step. Turn the power off at circuit breaker. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxes no longer allowed after 2011 nec if no neutral wire in switch boxes.

Three way switching 3 wires. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Two very old three way switches. Interested in a 4 way switch wiring diagram.

Wiring a 3 way light switch. Three wires between the two end switches probably using 3 core and earth cable.