3 Way Switch Diagram 1 Light. The configuration is called four way because the middle switch in the circuit has four connecting terminals rather than the usual three found on most switches. The black and red wires between sw1 and sw2 are connected to the traveler terminals.
The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit. The first step in any electrical project is to make sure there is no power going to the circuit you plan to be working on.
Wiring diagram 3 way switch with light at the end.
In this diagram the incoming hot wire attaches to the first switch s common dark colored terminal. Wiring diagrams for 3 way switches. Wiring diagram 3 way switch with light at the end. At each switch in the above 3 way switch wiring diagram the black wire gets connected to the common copper or black screw.
