Electrical Wiring Diagram 3 Way Switch. When you use your finger or perhaps the actual circuit along with your eyes it is easy to mistrace the circuit. The black and red wires between sw1 and sw2 are connected to the traveler terminals.
The light switch has three wires. Wiring a 3 way light switch. 3 way light switch wiring diagram pdf wiring diagram 3 way switch wiring diagram pdf.
3 way switch wiring diagram line to light fixture in another configuration the power supply enters the fixture first goes into one switch and finally terminates at the other switch closing the circuit.
Green for ground terminal. Typical 3 way switch wiring nm cable. This wire diagram shows the wiring for source power into the first three way switch then 3 wire cable to the next 3 way light switch and then on to the light or light fixtures. By correctly connecting two of these switches together toggling either switch changes the state of the load from off to on or vice.