4 Way Electrical Switch Diagram February 27, 2019 Basic 4. The wiring of a basic 4-way switch is illustrated in this detailed wiring diagram. www.electrical-online.com Dual Switch Fan WiringHow To Wire 4 Pin Trailer LightsGas Furnace Electrical DiagramOne Way Lighting Circuit DiagramCeiling Fan Speed Control Wiring Diagram4 Prong Dryer Cord To 3 ProngTriton Trailer Wiring DiagramRocker Switch Wiring 3 Way