Four Way Switch Wiring Diagrams One Light

The diagram below will give you a good understanding how this circuit is wired. In the diagrams below the first switch 3 way common terminal connects to line voltage.

Add an electrical box for the second three way switch in the basement.

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Four way switch wiring diagrams one light. To add more locations to this circuit you just simply add additional 4 way switches in series with the existing 4 way switch. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. With these diagrams below it will take the guess work out of wiring.

Pick the diagram that is most like the scenario you are in and see if you can wire your switch. Either way complete these five steps for 3 way light switch wiring. Basic 4 way switch wiring diagram the 4 way is used when you want to control the light or lights from two or more locations.

Turn off the correct circuit at your electrical panel. The wiring diagrams on this page make use of one or more 4 way switches located between two 3 way switches to control lights from three or more points. Several diagrams are included here that can be used to map 4 way and 3 way lighting circuits depending on the location of the source in relation to the switches and lights.

Also this example is just adding a single 4 way switch which will give you 3 locations to control your light. Take a closer look at a 3 way switch wiring diagram. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch.

Feed a length of 14 3 type nm cable or 12 3 if youre connecting to 12 gauge wire. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. The first switch 3 way travelers brass color connect to one pair of the second switch 4 way travelers black or brass color.

Light is controlled by two three way switches with the light between the switches and the power first going through a switch then to the light and onto the second three way switch. This might seem intimidating but it does not have to be. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.

A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle.