4 Way Switching Wiring Diagram

You can have an indefinite number of 4 way switches in a circuit.

4 way switching wiring diagram. Then connect the black wire coming from the fixture to the black wire going to the first 3 way switch. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. With 4 way switches you must read the manufacturer s instructions or wiring diagram. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.

Sometimes there is only a switch wiring diagram printed on the inside of the 4 way switch package box. To wire a 4 way switch start by turning off the circuit breaker for the room you re working in. The wiring connections on 4 way switches varies between manufacturers. If more than three switches are needed simply place more 4 way switches between the three way switches.

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. A 4 way switch is always placed in between two 3 way switches. The set up consists of two 3 way switches and one or more 4 way switches see illustration below. It is important to understand how these switches are wired before attempting to troubleshoot or replace.

Below is a conventional wiring diagram for a 4 way switch configuration. The 4 way is used when you want to control the light or lights from two or more locations. If you want more than three locations to control the lights you will need a 4 way switch for each of those extra locations. They all must be between the two 3 way switches.

4 way switch wring diagram. Quick 4 way light wiring. This diagram is a thumbnail. Next connect the white wire coming into the box to the white wire on the fixture.

They do not have an on off position like single pole switches. A 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switches. 4 way switch wiring 4 way switches provide switching from three or more locations. If you understand how to wire a 3 way switch you ll have no issues with a 4 way switch.

For a 4 way light circuit to work you need two 3 way switches and at least one 4 way switch. Click here to access note. Watch the 4 way switch video below and pay attention. Four way switch system a four way switch system consists of three or more switches to control the same light.

Place all the 4 way switches between the two 3 way switches. The system is often used in staircases to control the lighting at three different levels and in rooms with several entry points.