Branch circuits & conductors: North Dakota Journeyman Electrician Practice Questions

According to the NEC, which dwelling location requires GFCI protection for 125 V, 15 A and 20 A receptacles?

Section 210.8(A) lists bathrooms first among the dwelling locations that need GFCI protection for receptacles. Bedrooms, hallways and dining rooms are AFCI locations, not GFCI locations.

According to the NEC, in a dwelling, receptacles in a garage whose floor is at grade level must have:

Section 210.8(A) requires GFCI protection for receptacles in garages and in accessory buildings with a floor at or below grade not intended as habitable rooms.

According to the 2023 NEC, a receptacle in a finished basement recreation room of a dwelling needs:

Since the 2020 edition, 210.8(A) covers all dwelling basements, finished or unfinished.

Under the 2023 NEC, which kitchen receptacles in a dwelling need GFCI protection?

The 2023 edition dropped the countertop limit for dwelling kitchens in 210.8(A), so all kitchen receptacles within the voltage and current limits of 210.8 need GFCI protection.

According to the NEC, a dwelling receptacle near a wet bar sink needs GFCI protection when it is within what distance of the top inside edge of the sink bowl?

Section 210.8(A) requires GFCI protection for receptacles within 6 ft of the top inside edge of the bowl of any sink.

According to the NEC, in a dwelling, receptacles within 6 ft of the outside edge of a bathtub or shower stall need:

Section 210.8(A) covers areas with a bathtub or shower stall: receptacles within 6 ft of the outside edge need GFCI protection, even where the space is not a bathroom.

According to the NEC, does a 240 V, 30 A dryer receptacle in a dwelling laundry area need GFCI protection?

Since 2020, 210.8(A) applies to 125 V through 250 V receptacles on single-phase circuits of 150 V or less to ground, and laundry areas are a listed location.

Which location was added to the dwelling GFCI list in 210.8(A) by the 2023 NEC?

The 2023 edition added areas with a sink and permanent provisions for food or beverage preparation or cooking, such as wet bars, to the dwelling unit GFCI list in 210.8(A). Indoor damp and wet locations were added earlier, in 2020.

According to the NEC, where must a GFCI device that protects a required receptacle be installed?

Section 210.8 requires the ground-fault circuit interrupter to be installed in a readily accessible location so it can be tested and reset.

According to the NEC, 125 V, 20 A receptacles in a restaurant kitchen need:

Section 210.8(B) requires GFCI protection for receptacles in kitchens of other than dwelling units, including commercial kitchens.

According to the NEC, receptacles installed on the rooftop of a commercial building must have:

Section 210.8(B) lists rooftops among the other-than-dwelling locations that need GFCI protection for receptacles within its voltage and current limits.

According to the NEC, does the receptacle required near HVAC equipment for servicing need GFCI protection?

Section 210.8 requires GFCI protection for the receptacles required by 210.63 for servicing equipment.

According to the 2023 NEC, does the outlet supplying a dwelling dishwasher need GFCI protection?

GFCI protection for dwelling dishwasher outlets has been required since the 2014 edition, now under 210.8, whether hardwired or cord-and-plug connected.

According to the NEC, which dwelling location is NOT on the list of areas that require AFCI protection for 120 V, 15 A and 20 A branch circuits?

Section 210.12(B) lists kitchens, family rooms, dining rooms, living rooms, bedrooms, closets, hallways, laundry areas and similar rooms. Bathrooms, garages and outdoors are not on the list.

According to the NEC, does a 120 V, 20 A kitchen small-appliance branch circuit in a dwelling need AFCI protection?

Kitchens and laundry areas have been on the dwelling AFCI list (210.12(B) in the 2023 NEC) since the 2014 edition, so kitchen circuits often need both AFCI and GFCI protection (a dual-function device can do both).