4 Way Switch Circuit Diagram. A three wire cable with the ground or 14 3 cable is employed to take power to the 4 way switch and another 14 3 cable is used for connecting the last 3 way switch where the circuit ends. Below is a conventional wiring diagram for a 4 way switch configuration.
One ground and 4 circuit terminals divided into two matching pairs called travelers. You can have an indefinite number of 4 way switches in a circuit. A four way switch is added when there are more than two switch locations operating the same light.
This 4 way switch diagram 2 shows the power source starting at the fixture.
See alternate 3 way switch wiring configuration for another way 3 way switches may be wired. The diagrams below show the conventional wiring for 3 way switches in a 4 way configuration. In some countries the four way is called an intermediate switch. Wiring diagram for 4 way switch have a graphic from the other.