Great 3 Way Switch Circuit Diagram

Take a closer look at a 3 way switch wiring diagram.

3 way switch circuit diagram. Three way switches have become very popular because it adds convenience and ease to lighting in large rooms hallways and staircases. 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. The basic 3 way switch wiring diagram this is the most common and the easiest wiring diagram to follow of any of the wiring diagrams for a 3 way switch circuit.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw. 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.

The line white neutral wire gets connected to the light fixture. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. 3 way switch wiring diagram depicting all wires in the ceiling junction box.

The black wire from the other 3 way gets connected to the line black wire. 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.