4 Way switch wiring troubleshooting

For all the switches to turn on and off the lights independently, is should be wired like this. The key is to leave wire-nutted wires . Now you are ready to wire the switches. In the - way box, connect the pair of wires from the first 3- way switch to the IN pair of screws of your . I recently painted my house and changed all of the light switches and outlets.

A 4-way dimmer diagram is included as well as an arrangement to control the lights from four different points.

To add more locations to this circuit you just simply add additional 4-way switches in series with the existing 4-way switch.

Power at Light - Way Switch Wiring Diagram. So, I think the wiring is ok and perhaps the problem is with the switches. I have worked on three way before (two switches ) but not this. I was simply trying to swap out the 3-way and - way switch to update the color.

This video allowed me to go step-by-step and eliminate the switches one by one. So many of the tutorials are goo but assume that you are installing from new. This one was excellent for me because the connections on the old . The course was put together with the amateur in mind so it is pretty easy to follow yet powerful and effective. Also you must have some strong fingers using AWG in switch boxes. It is important to understand how these switches are wired before attempting to troubleshoot or replace.

And any defective switch or connection further . More lights can be added to this circuit by duplicating the wiring shown here for each additional fixture. It is very important that the correct wire is . NOTE: If your 3- way circuit uses an outlet or outlets instead of light fixtures, you might get confused with the wiring if the outlets are split. In the diagram below, a 2-wire NM cable supplies power from the panel to the first switch box.

The black (line) wire connects to the common terminal of the first 3-way switch. A 3-wire NM connects the traveler terminals of the first 3-way switch and the first - way switch. Alternate - way switch wiring is fairly complex. Power enters the first light fixture box instead of the first 3-way switch box.

Learn about 3- way switch wiring including wiring diagrams.