4 Way Switch Wiring Diagram Residential

For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.

4 way switch wiring diagram residential. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Conventional 4 way switch wiring. 4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color.

4 way switch wring diagram. This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. The red and white are used as travelers between the 4 way and sw2. Then connect the black wire coming from the fixture to the black wire going to the first 3 way switch.

You can have an indefinite number of 4 way switches in a circuit. The black wire running to the 4 way switch is connected to the hot terminal on the light and at the switch box it s spliced to the black wire from the common on sw2. To wire a 4 way switch start by turning off the circuit breaker for the room you re working in. In the diagrams below the first switch 3 way common terminal connects to line voltage.

The white wire is marked black at each end to mark it as hot. Watch the 4 way switch video below and pay attention. Jan 13 2014 4 way switch wiring diagram for free to help make 4 way switch wiring easy. To view it at full size click on the diagram.

A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. They all must be between the two 3 way switches. The 4 way is used when you want to control the light or lights from two or more locations. Next connect the white wire coming into the box to the white wire on the fixture.

The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Click here to access note. A 4 way switch is always placed in between two 3 way switches.