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 4 Plug Gfci OutletHow To Fix Electric SwitchUsb 3.0 Wiring DiagramHow To Wire A Relay To A Starter MotorLow Voltage Transformer WiringSuzuki Samurai Alternator Wiring DiagramDryer Box CanadaPrimus Iq Brake Controller Wiring Diagram