3 Way Light Switch Wiring Diagram. Turn off the branch circuit from your electrical panel and add all the electrical boxes required. Brass color for traveler terminals.
The black and red wires between sw1 and sw2 are connected to the traveler terminals. The two wire line cable goes into one switch box and the two wire load cable goes into the other switch box. Previous article car alarm installation wiring diagram.
The green wire a ground wire connects with the green screw in the switch or the electrical box.
Single light between 3 way switches power via light how to wire a light switch light switch wiring 3 way switch wiring diy electrical. 3 way switch wiring diagram. Brass color for traveler terminals. The 3 wire cable consist of a black wire a white wire and a bare copper wire while the 4 wire cable has an added red wire which is hot as well.