The switches for the exhaust fan and light are installed on the load side wiring as well.
Gfci protected exhaust fan.
Gfci receptacles are required in bathrooms garages crawl spaces basements laundry rooms and areas where a water source is present.
The nec requires that all outlet receptacles in a bathroom be gfci protected.
B installation and use.
Gfci protection for bathroom ceiling exhaust vent nec national electrical code does not require bathroom exhaust fans to be installed on a gfci protected circuit.
To provide gfci protection for an exhaust fan the incoming circuit power connects to the line side of the gfci outlet then the wires for the exhaust fan connect to the load side of the gfci outlet.
Some exhaust fans require the gfci protection.
Bathroom ceiling exhaust fan requires a damper to prevent back drafts.
Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling.
110 3 examination identification installation and use of equipment.
Gfci protection is designed to prevent the shocks that might occur when a ground fault occurs and it can be provided by special gfci outlet receptacles or by a gfci circuit breaker that protects the entire circuit.
An exhaust fan in the shower is a poor design in my opinion and must be installed per 110 3 b.
The national electrical code nec does not require bathroom exhaust fans to be gfci protected however there is this bit in article 110.