Wiring Diagram Using a 2 Gang Switch to Control 2 Independent Lights Using the 3 Plate Wiring Method Student training aid for the connections required to wire a lighting circuit using the 3 plate loop-in method. Video explains the connection required within the ceiling rose, a consumer unit (fuse box), and in a 2 switch at is controlling 2 independent lighting points. The circuit is wired in twin and CPC cables (twin and earth cable) and is a wiring diagram for this circuit. This video will show