210.8(B) Ground-Fault Circuit-Interrupter Protection for Personnel. Other Than Dwelling Units.

GFCI protection is now required for all single-phase receptacles rated 150 volts to ground or less, 50 amperes or less and three-phase receptacles rated 150 volts to ground or less, 100 amperes or less installed in crawl spaces and unfinished portions of basements not considered habitable.
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GFCI protection is now required for all single-phase receptacles rated 150 volts to ground or less, 50 amperes or less and three-phase receptacles rated 150 volts to ground or less, 100 amperes or less installed in crawl spaces and unfinished portions of basements not considered habitable.

Code Change Summary: GFCI protection is now required in crawl spaces and unfinished portions of basements in other than dwellings.

Section 210.8(B) provides GFCI protection requirements for specific receptacles in other than dwellings. There are now a total of 10 receptacle locations listed in 210.8(B) where GFCI protection is required for non-dwelling related receptacles. Items 9 and 10 below were added in the 2017 NEC:

  1. Bathrooms
  2. Kitchens
  3. Rooftops
  4. Outdoors
  5. Sinks — where receptacles are installed within 6 ft from the top inside edge of the bowl of the sink
  6. Indoor wet locations
  7. Locker rooms with associated showering facilities
  8. Garages, service bays, and similar areas other than vehicle exhibition halls and showrooms
  9. Crawl spaces — at or below grade level
  10. Unfinished portions or areas of the basement not intended as habitable rooms

Crawl spaces and unfinished basements can be found in both residential and commercial occupancies but before now, they were only addressed in 210.8(A) which applies to dwellings.

Receptacles installed in any of the 10 non-dwelling related locations listed above require GFCI protection if they are:

Below is a preview of Article 210. See the actual NEC text at NFPA.ORG for the complete code section. Once there, click on their link to free access to the 2017 NEC edition of NFPA 70.

2017 Code Language:

210.8(B) Other Than Dwelling Units. All single-phase receptacles rated 150 volts to ground or less, 50 amperes or less and three-phase receptacles rated 150 volts to ground or less, 100 amperes or less installed in the following locations shall have ground-fault circuit-interrupter protection for personnel

(9) Crawl spaces — at or below grade level

(10) Unfinished portions or areas of the basement not intended as habitable rooms

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210.8(B) Ground-Fault Circuit-Interrupter Protection for Personnel. Other Than Dwelling Units.

Below is a Real Question from our Electrical Continuing Education Courses for Electrical License Renewal:

Which of the following is true for a single phase, 125-volt, 20 amp receptacle?

A: If located in a vehicle showroom, it must be GFCI protected.
B: If located in a high school gym, it must be GFCI protected.
C: If located in the crawl space under a commercial building, it must have GFCI protection.
D: If located inside an office, it must be GFCI protected.
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