3 Way Toggle Switch Wiring Diagram. Diagram 3 above shows the electricity source starting at the right 3 way switch box the same that has the romex wire going to the fixture. Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit.
To properly read a wiring diagram one has to know how the particular components in the method operate. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wire nut. 3 way switch wiring diagram.
A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
A three way switch is built and wired a little differently than a conventional single pole light switch. A three way switch is built and wired a little differently than a conventional single pole light switch. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together. In the 1st diagram below a 2 wire nm cable supplies power from the panel to the first switch box.
