Circuit Gfci Diagram. The lower four terminals and ground wire of rcbo has been connected to the spa control box by the following sequence. Connect the bare ground wire to the green ground screw.
Refer to the attached gfci outlet wiring diagram above for clarity or contact our in office electrician in mesa az free of charge. You have not mentioned but it may be that the gfi outlet is rated for 15 amps and the circuit is actually a 20 amp circuit. So gfci designed as checking the difference between the current leaving and returning through current transformer of the gfci to protect device exceeds 5ma.
Gfci outlet wiring diagram.
It means the light switch is not gfci protected and will operate as a normal circuit. Gfci outlets do not do well when they are overloaded. It means the light switch is not gfci protected and will operate as a normal circuit. Turn the power back on at the circuit breaker panel.