Wiring a 4 way switch is simply adding a switch to an already existing 3 way switch circuit. A 4 way switch is always placed in between two 3 way switches.
Installing Wall Switch 3 And 4 Way Customer Support
Wiring a 4 way switch diagram. 4 way light switch 3 way switch wiring electrical wiring diagram electrical work house wiring benjamin moore paint third way wire lights 4 way switch wiring diagrams clear easy to read 4 way switch wiring diagrams for household light circuits with wiring instructions. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. How to wire a 4 way switch. Below is another method for wiring 4 way switches. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. First of all we need to go over a little basic terminology on switches.
The electrical switch box that contains the line and load wires may need to be bigger than the other switch boxes especially if there are other wires going into the switch box. This is the wiring for a dimmer in a 4 way circuit. This allows you to control a load from other locations in addition to the 2 locations that a 3 way circuit provides. 4 way dimmer switch wiring diagram. A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch. If more than three switches are needed simply place more 4 way switches between the three way switches.
Typical 4 way switch wiring nm cable. Study the 4 way switch and the manufacturers directions. 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. The black line wire connects to the common terminal of the first 3 way switch. Watch the 4 way switch video below and pay attention. Three wire cable runs between all the switches and 2 wire cable runs to the light.
More 4 way switch wiring diagrams four way switch wiring schematic. 4 way switch wring diagram. You can have an indefinite number of 4 way switches in a circuit. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. It is important to understand how these switches are wired before attempting to troubleshoot or replace. If you understand how to wire a 3 way switch youll have no issues with a 4 way switch.
4 way switch wiring 4 way switches provide switching from three or more locations. They all must be between the two 3 way switches. Two terminalpoles are labeled in and two are labeled out pairs of wires called travelers will connect to each side. When the switch is operated current will either travel straight through or crisscross. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. 4 way switch configurations are used to control lights with three or more switchesa 3 way switch is used on each end with one or more 4 way switches in between the two 3 way switchesthey do not have an onoff position like single pole switches.
A 4 way switch has 4 terminals or poles.
Gallery of Wiring A 4 Way Switch Diagram
