From A Light Switch Wiring A Gfi Receptacle. If the light fixtures will not be protected by the GFI outlet. Use a screwdriver or drill to remove the wall plate.
The neutral and ground wires are spliced together and run to each device in the circuit. The built-in switch controls an unprotected light fixture on a separate electrical source. 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.
Refer to the diagram above about wiring GFCI receptacles for additional help.
Loosen the silver and brass terminal screws on the line side of the outlet. If the light fixtures will not be protected by the GFI outlet. Refer to the diagram above about wiring GFCI receptacles for additional help. If replacing an existing GFCI label the black and white wires on the Line and Load terminals.