4 Way Light Switch Wiring Diagram

Bare or green ground wires are spliced together with a pigtail or two and then connected to the metal switch box with a 10 32 machine screw and to the green screw on the switch.

4 way light switch wiring diagram. Wiring four way and three way switches. It has 4 terminals or poles and consists of two 3 way switches that are modified. More about wiring a 4way switch. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.

Also this example is just adding a single 4 way switch which will give you 3 locations to control your light. The key to 4 way switch wiring. The black line wire connects to the common terminal of the first 3 way switch. If additional 4 way switches are needed they will also go between the 3 way switches.

The two wiring diagrams above are of a 3 way switch setup and the same basic setup with a 4 way light switch added. If you want more than three locations to control the lights you will need a 4 way switch for each of those extra locations. The diagram below will give you a good understanding how this circuit is wired. For a 4 way light circuit to work you need two 3 way switches and at least one 4 way switch.

Place all the 4 way switches between the two 3 way switches. A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch. Typical 4 way switch wiring nm cable. Power from light fixture to light switch.

A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. I bought a new switch. Look for 4 way switch wiring diagram or step how to wire a four way light switch electrical circuit a 4 way switch is a double pole double throw dpdt switch. How to wire a 4 way switch.

Do you need a 3 way switch wiring diagram. My old 4 way light switch broke. Quick 4 way light wiring. How to wire four way and three way switches with helpful wiring diagrams.

The switch can be used to control the electricity supplying lights from three locations. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. To add more locations to this circuit you just simply add additional 4 way switches in series with the existing 4 way switch.