3 Way Lighting Circuit April 16, 2019 Lighting Circuit diagrams for 1,2 and 3 way switching. Examples of the most commonly used UK lighting circuit diagrams www.flameport.com 14 2 2 RomexDifferent Types Of Light SwitchesOn On Switch WiringYanmar Alternator Wiring DiagramDuplex Receptacle Box3 Way Switch Internal DiagramThree Prong WireStandard Switch Wiring