Stunning Four Way Light Switch Diagram

For complete instructions on wiring a basic 4 way switch see our wiring a 4 way switch article.

Four way light switch diagram. When the toggle is in one position the left side black terminal connects to the left side brass terminal. A 4 way switch is always placed in between two 3 way switches. The source neutral wire is connected directly to the light fixture and the hot is spliced to the white cable wire running to sw1.

The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. 4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. Watch the 4 way switch video below and pay attention.

That is to say that any time you find a 4 way switch there will also be two 3 way switches controlling the same light fixture. 4 way switches are always wired in conjunction with two 3 way switches. Four way switch wiring diagram with the line and the load in the same switch box.

The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers. Do you need a 3 way switch wiring diagram. The white wire needs to be re identified as a hot conductor because it is not being used as a neutral in this installation.

The right side black terminal connects to the right side brass terminal. In the diagrams below the first switch 3 way common terminal connects to line voltage. At sw1 it s spliced to the white wire running to the 4 way switch box where it s spliced to the white wire running to common terminal on sw2.

Click here to access note. 4 way switch wring diagram. You can have an indefinite number of 4 way switches in a circuit.