How To Wire A 4 Way Light Switch Diagram

While the physical location of the 4 way switch may be anywhere the electrical location of the switch is always between the two 3 way switches.

How to wire a 4 way light switch diagram. A two wire cable c2 is run from the light to the first switch sw1 and a 3 wire cable runs between all the switches. 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. Power from light fixture to light switch.

If additional 4 way switches are needed they will also go between the 3 way switches. This circuit is wired the same way as the 3 way lights at this link. 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 white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut.

Sometimes the switch wiring connection diagram is printed on the inside of the 4 way switch packaging box see example below. 4 way light switch with power feed via the light. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Do you need a 3 way switch wiring diagram.

This 4 way switch diagram 1 shows the power source starting at the left 3 way switch. This circuit diagram shows wiring for a 4 way circuit with the power source at the light fixture and the switches following. If you want more than three locations to control the lights you will need a 4 way switch for each of those extra locations. Attach the black and white blue traveler wires entering the 4 way switch box to the in terminals often the top terminals on the 4 way switch black on the left top pole and white blue on the right top pole.

3 way switched outlet wiring. Some 4 way switches may have the in and out pairs opposite each other rather than top and bottom. This 4 way switch diagram 2 shows the power source starting at the fixture. Quick 4 way light wiring.

Three wire cable runs between the switches and the outlet. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch.