Nec Bathroom Exhaust Fans

Some appliances such as bathroom exhaust fans can include a requirement in the instructions to be gfci protected and this must be followed as stated in 110 3 b.

Nec bathroom exhaust fans.

There are wall mount exhaust fans as well as ceiling exhaust fans. Ceiling fans vent either into the. Most bathroom exhaust fans will be hooked up to a special gfci safety breaker. Perfect for the tech savvy homeowner with a desire to stream audio from their smartphone or tablets into their bathroom.

Proper bathroom vent exhaust fan placement becomes critical if you have any sources of hot moist air in the bathroom area tub shower steam room etc and the best strategic vent location would be directly above or as close as possible to that source but still high up. All municipalities have different requirements but some do not draw a hard line on requiring exhaust fans. The model building codes adopted by most jurisdictions typically require bathroom ventilation to be provided either by an operable window 3 sq. In your example several items appear to be non compliant especially the lack of an equipment grounding conductor for the exhaust fan.

Each bathroom should have a circuit for lighting and an exhaust fan according to the code this circuit may be a 15 amp circuit if it serves just lighting but it should be a 20 amp circuit if it is also serving a vent fan. Every bathroom without an openable window min 1 5sq. Bathroom code does address the issue of moving odor and moisture laden air from the bathroom to the outside. This is especially true if they are located inside of a shower or bathtub enclosure.

Gfcis are electrocution prevention devices that are designed to shut off the power supply to the bathroom fan in less than a second if there is an interruption in power. For quick reference a 50 square foot bathroom needs a 50 cfm fan. Surprisingly bathroom fans are not required by some building codes. The bathroom ceiling exhaust or wall should be discharging to the house exterior not into the ceiling wall frame cavity or another room crawlspace attic etc.

The homewerks worldwide ventilation fan features an integrated the homewerks worldwide ventilation fan features an integrated bluetooth enabled stereo speaker and an led light. Bathroom ventilation requirements summary. Another consideration to think about is the placement of your fan. General lighting fan circuit required.

Or greater or by mechanical means a bathroom vent fan 20 continuous or 50 cfm intermittent vented to the building exterior. Important nec bathroom regulations.