Four Way Light Switch Wiring Diagram

For a 4 way light circuit to work you need two 3 way switches and at least one 4 way switch.

Four way light switch wiring diagram. The two wiring diagrams above are of a 3 way switch setup and the same basic setup with a 4 way light switch added. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. The white wire needs to be re identified as a hot conductor because it is not being used as a neutral in this installation. If more than three switches are needed simply place more 4 way switches between the three way switches.

I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Four way switch wiring diagram with the line and the load in the same switch box. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. In the diagrams below the first switch 3 way common terminal connects to.

3 way switch wiring diagram depicting all wires in the ceiling junction box. 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. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. 4 way switch wiring 4 way switches provide switching from three or more locations.

4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Do you need a 3 way switch wiring diagram. If additional 4 way switches are needed they will also go between the 3 way switches.

Quick 4 way light wiring. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. Power from light fixture to light switch. Conventional 4 way switch wiring.

In the diagram above splices are made and a three conductor cable is installed between all the switches. If you want more than three locations to control the lights you will need a 4 way switch for each of those extra locations. Wiring a 3 way light switch.