Wiring A Light Switch Off A Gfci Outlet. This wiring provides single location gfci protection. A 2 wire cable runs from the gfci device to the light fixture and the black wire is spliced with the other built in switch wire.
However it would be best to provide the power for an exterior gfci outlet from a separate circuit instead of tying into the bathroom circuit. Use the suitable voltage and ampere rating of switch with appropriate wire size and proper size mcb according to the load rating. If you want to protect the light wire power to the gfci line terminals and connect the switch using the load terminals.
A 2 wire cable runs from the gfci device to the light fixture and the black wire is spliced with the other built in switch wire.
Wiring a gfci combo switch outlet with a light bulb in the first wiring diagram the connected load as light bulb is gfci protected as it is control by the combo switch and connected to the load terminals of gfci. However it would be best to provide the power for an exterior gfci outlet from a separate circuit instead of tying into the bathroom circuit. Here the source hot wire is spliced to the line hot terminal on the combo and one of the built in switch wires. If you want to protect the light wire power to the gfci line terminals and connect the switch using the load terminals.
