Wiring Diagram For 4 Way Light Switch. Use black and red wires to connect traveler or brass-colored terminals of the first switch and the second switch. T2 from that switch is wired to T1 on the second 4way and T2 connects to the travelers on SW2.
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. You can have an indefinite number of 4-way switches in a circuit. The hot source is connected to the common terminal on the first switch SW1 and the hot terminal on the light fixture is.
Wiring a 3 way switch with multiple lights.
Use black and red wires to connect traveler or brass-colored terminals of the first switch and the second switch. Use black and red wires to connect traveler or brass-colored terminals of the first switch and the second switch. Switch Wiring Common. They all must be between the two 3-way switches.
