4 Way Switch Light Wiring Diagram. Diagrams coupled with some instructions to help you on your way to wiring a single switch. The black or sometimes red wire also known as the hot wire goes into the brass screw.
You would just continue from one 3 way switch box with the 143 three conductor cable two colored traveler wires a white neutral and a bare or green ground wire. This 4 way switch diagram 2 shows the power source starting at the fixture. Each part ought to be placed and linked to different parts in specific manner.
Power source and light is connected to the same 3 way switch.
If not the structure wont function as. Here is a diagram of when power is coming to the 4 way switch first with multiple lights. 4 way switch wiring diagram power at light. Four way switch wiring schematic.