Wiring A Four Way Switch

Connect the hot wire from the source to the common terminal on the first 3 way and the hot wire from the lights to the common on the other 3 way.

Wiring a four 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. 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. This allows you to control a load from other locations in addition to the 2 locations that a 3 way circuit provides.

Wiring a 4 way switch is simply adding a switch to an already existing 3 way switch circuit. Place all the 4 way switches between the two 3 way switches. Quick 4 way light wiring. Free quick start guide here.

First of all we need to go over a little basic terminology on switches. After that connect the black wire from the fixture to a red or white wire leading out of the box to the first 3 way switch. Connect the traveler terminal between all. Next connect the white wire coming into the box to the white wire on the fixture.

To wire a 4 way switch start by turning off the circuit breaker for the room you re working in. When you re done with all the wiring wrap any exposed wires with. For a 4 way light circuit to work you need two 3 way switches and at least one 4 way switch. While wiring a 4 way switch is a little more complex that wiring a standard switch it is something most diyers are capable of doing.