I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Back side of 4 way switch.
4 Way Switch Wiring
How to wire 4 way switch. The red and white are used as travelers between the 4 way and sw2. Now the power source black is coming in from the left. And goes through the 3 way to the black wire going to the 4 way. To wire a 4 way switch start by turning off the circuit breaker for the room youre working in. The black wire running to the 4 way switch is connected to the hot terminal on the light and at the switch box its spliced to the black wire from the common on sw2. Now it dead ends not connected which means the light is turned off.
Left connections toggle between the two right connections. Then connect the black wire coming from the fixture to the black wire going to the first 3 way switch. Choose a switch and follow the flow of the switch that changes state. Then through the 4 way to the red wire going to the 3 way. There are 4 places to terminate wire plus a green screw at the top of the. Next connect the white wire coming into the box to the white wire on the fixture.
4 way switch wiring 4 way switches provide switching from three or more locations. As you will see most 4 way switch wiring is placed between the wiring of two 3 way switches therefore a 4way switch is installed with two 3way switches. 4 way wiring source and light middle. That is to say that any time you find a 4 way switch there will also be two 3 way switches. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. By toggling any switch the light will now turn on.
If more than three switches are needed simply place more 4 way switches between the three way switches. Free quick start guide here. How to wire a 4 way light switch with wiring diagram uses of 4 way switches. The white wire is marked black at each end to mark it as hot. Keep in mind how the 4 way switch works.
Gallery of How To Wire 4 Way Switch
