The 4 way is used when you want to control the light or lights from two or more locations. This 4 way switch diagram 2 shows the power source starting at the fixture.
How To Wire A 3 Way Switch With Video Light Switch Wiring
Four way wiring diagram. 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. When wiring in the 4 way switch it is most simply described as simply cutting the two traveler wires the two wires that go between the two 3 way switches and terminate on each switch and putting two wires from one switch on the top two terminals of the 4 way switch while putting the other two wires from the other switch on the bottom two terminals. Two wire cable is run from the light to sw1 and 3 wire cable runs between the three switches. This diagram is a thumbnail. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after.
4 way switch wiring with light first. 4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Click here to access. Basic 4 way switch wiring diagram.
The red and black wires are connected to the four way switches. In general practice the diagram above is most often used and is a good guide for wiring a new 4 way switch circuit. Follow the switch manufacturers instructions and wiring diagram as the connections on the switch vary by manufacturer. A 4 way switch wiring diagram is the clearest and easiest way to wire that pesky 4 way switch.
Gallery of Four Way Wiring Diagram
