Gfci Protected Exhaust Fan

Bathroom ceiling exhaust fan requires a damper to prevent back drafts.

Gfci protected exhaust fan.

Some exhaust fans require the gfci protection. B installation and use. 110 3 examination identification installation and use of equipment. The national electrical code nec does not require bathroom exhaust fans to be gfci protected however there is this bit in article 110.

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. Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling. 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. Gfci receptacles are required in bathrooms garages crawl spaces basements laundry rooms and areas where a water source is present.

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. Bathroom exhaust exterior vent opening should be screened with a to mesh to prevent birds from building nests inside the vent pipe. Gfci protection is required for 125 volt to 250 volt receptacles supplied by single phase branch circuits rated 150 volts or less to the ground. An exhaust fan in the shower is a poor design in my opinion and must be installed per 110 3 b.