4 Way Light Switch Diagram

Four way switch wiring schematic.

4 way light switch diagram. The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color. 4 way switch wiring diagram with the power feed through a 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. Click here to access note.

The wiring diagram further down depicts another choice of wiring method. 4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. 4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color. The switches connecting the travelers are connected with a three wire cable.

In this circuit the power comes in through the first switch. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after. This diagram is a thumbnail. The 4 way is used when you want to control the light or lights from two or more locations.

For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. At sw1 it s spliced to the white wire running to the 4 way switch box where it s spliced to the white wire running to common terminal on sw2. To view it at full size click on the diagram. This 4 way switch diagram 2 shows the power source starting at the fixture.

Conventional 4 way switch wiring. The source neutral wire is connected directly to the light fixture and the hot is spliced to the white cable wire running to sw1. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. The schematic diagram below shows how all four way switches are wired.

4 way switch wiring diagrams. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. In the diagrams below the first switch 3 way common terminal connects to line voltage. 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. A four way switch is added when there are more than two switch locations operating the same light.