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. Power from light fixture to light switch.
Four Way Switches Amp How They Work
4 way switch wiring diagram power at switch. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. Two wire cable is run from the light to sw1 and 3 wire cable runs between the three switches. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Do you need a 3 way switch wiring diagram. In the diagrams below the first switch 3 way common terminal connects to.
4 way switch wiring with light first. The 4 way is used when you want to control the light or lights from two or more locations. 4 way light switch with power feed via the light this circuit diagram shows wiring for a 4 way circuit with the power source at the light fixture and the switches following. The third wire the red will not be switched at the 4 way location but passes to the final 3 way switch. Follow the switch manufacturers instructions and wiring diagram as the connections on the switch vary by manufacturer. The black line wire connects to the common terminal of the first 3 way switch.
The red and black wires are connected to the four way switches. Click here to access note. 4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. This diagram is a thumbnail. This 4 way switch diagram 2 shows the power source starting at the fixture. These two wires are the travelers to the 4 way switch.
4 way switches have four terminals each with two pairs of travelers one set usually black and one set usually brass color. A four switch configuration will have two 3 way switches one on each end and two 4 way switches in the middle. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch. A 3 wire nm connects the traveler terminals of the first 3 way switch and the first 4 way switch. I have a few of the most common ways in wiring a 4 way switch to help you with your basic home wiring projects. Sometimes the switch wiring connection diagram is printed on the inside of the 4 way switch packaging box see example below.
Conventional 4 way switch wiring. Attach the black wire and white marked with blue wire going out of the box to the next switch to the bottom poles of the 3 way switch. To view it at full size click on the diagram. Typical 4 way switch wiring nm cable in the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
Gallery of 4 Way Switch Wiring Diagram Power At Switch
