Wiring A 4 Way Switch With One Light. The hot source is connected to the common terminal on the first switch sw1 and the hot terminal on the light fixture is spliced through all the light fixture to the common terminal of the last switch. 4 way switch wiring 4 way switches provide switching from three or more locations.
Connect both white wires together with a wire connector and stuff them back inside the wall box. If more than three switches are needed simply place more 4 way switches between the three way switches. You would just continue from one 3 way switch box with the 14 3 three conductor cable two colored traveler wires a white neutral and a bare or green ground wire in and out of each four way switch box.
4 way light switch with power feed via the light.
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. The other pair of the second switch 4 way travelers connect to one pair of the third switch 4 way travelers. 4 way light switch with power feed via the light. In this basic 4 way light circuit 3 wire cable runs between all the switches and 2 wire cable runs from the last switch to the light.
