Wiring Diagram Schematic And Switch. The schematic diagram below shows how all four way switches are wired. The most basic circuit with only two wires at the switch.
Four way switch wiring schematic. The ground wire is pigtailed with a wire connector at the switch boxes and the ceiling box. Wiring diagrams are mainly used when trying to show the connection system in a circuit.
The most basic circuit with only two wires at the switch.
Sno switch 1 com switch 2 com light 1 l 1. The schematic diagram below shows how all four way switches are wired. The hot source wire is removed from the receptacle and spliced to the red wire running to the switch. These are only schematic diagrams to explain about the different kinds of arrangements that you may find when changing a light fitting.