3 Pole 4 Wire June 3, 2019 SupplyWorks . www.supplyworks.com 3 Way 4 Way Switch Wiring3 Prong Plug DiagramEnclosed Trailer WiringHow To Wire A 3 Prong Plug With 2 WiresElectric Dryer WiringElectrical Connections In House3 Wire Ignition Switch DiagramHow To Install A Toggle Light Switch