3 Way Wiring Diagram Power At Light. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.
The electricity source and light is in between switches. So what you should see if you have correct 3 wire electrical cable romex is a black power white neutral and now a 3rd red wire. Step by step instructions on how to wire a switched outlet.
In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture.
The black and red wires between sw1 and sw2 are connected to the traveler terminals. The red wire which is connected to the first switch s. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. Jan 24 18 02 26 pm.