4 Way Switch Schematic Diagram January 3, 2019 4. 4-way switch configurations are used to control lights with three or more switches. www.electrical101.com Outdoor Lighting DiagramTowing Socket Wiring Diagram97 Honda Civic Wiring DiagramThermostat Wire Color Guide3 Prong Outlet SwitchBosch 4 Pin Relay Wiring DiagramDerale Fan Controller Wiring DiagramWiring Multiple Light Switches One Power Source