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 Shunt Wiring Diagram4 Wire To 3 Wire Adapter3 Wire Toggle SwitchSiga Cc1s Wiring DiagramHow To Identify Neutral WireLight Up Switch Wiring3 Speed Fan Switch DiagramChanging Outlets With Power On