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 30 Amp 4 Prong Plug5 Pole Relay DiagramHow To Add Another Electrical OutletCarrier Split System Air Conditioner Wiring DiagramHow To Wire A Ceiling Light With 4 WiresYanmar Alternator Wiring DiagramUtility Trailer LightsBest Low Voltage Lighting System