Light Switch Loop Wiring Diagram. How to wire a gfci and outlet to a light switch. When wiring a 2 way switch circuit all you re really doing is controlling the power flow switching off on to the load a light lamp outlet ceiling fan etc now a typical circuit will contain a 3 wire cable known as romex.
To make a switch loop connect the incoming hot black wire to the white neutral wire that runs to the switch. In this diagram power enters the fixture box. The latter cable is referred to as the switch live s l provides electric to the light when the switch is turned on.
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This wiring diagram illustrates adding wiring for a light switch to control an existing wall outlet. The source is at the outlet and a switch loop is added to a new switch. The red wire going to the next ceiling rose is connected to the same terminal as the red wire from the feed cable the black wire going to the next ceiling rose is connected to the same terminal as the black wire from the feed cable and the earth wire going to the next ceiling rose is connected to the same terminal as the earth wire from the feed cable. The cable consist of a black wire a.
