Code Hunter: GFCI, NEC 2017

Code Hunter
Reading Time: < 1 minute

To play this game, you need a sharp eye, a quick mind, and a 2017 National Electrical Code book.

(Fill-in-the-blank questions are looking for the exact words) used in the NEC).

1. GFCI protection shall be provided for outlets not exceeding __________ volts that supply boat hoists installed in dwelling unit locations.
2. Ground-fault circuit-interrupter protected receptacles are not required where replacements are made at receptacle outlets that are required to be so protected elsewhere in this Code.
3. GFCI protection shall be provided for lighting outlets not exceeding __________ volts installed in crawl spaces.
4. Choose all of the following appliances that specifically require GFCI protection in the NEC:
5. For dwelling unit GFCIs, when determining the distance from receptacles, the distance shall be measured as the shortest path the cord of an appliance connected to the receptacle would follow without piercing a floor, wall, ceiling, or fixed barrier, or passing through a door, doorway, or window.
6. All 15- and 20-ampere, single-phase, 125-volt receptacles located within __________ of the inside walls of a pool shall be protected by a ground-fault circuit interrupter.
7. In 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 kitchens shall have ground-fault circuit-interrupter protection for personnel.
8. GFCI protection shall be provided for outlets that supply dishwashers installed in __________ locations.
9. Ground-fault circuit-interrupter protection for personnel shall not be required for receptacles installed in those critical care (__________) spaces where the toilet and basin are installed within the patient room.
10. Outlets supplying pool pump motors connected to single-phase, __________-volt through __________-volt branch circuits, whether by receptacle or by direct connection, shall be provided with ground-fault circuit-interrupter protection for personnel.


About the Author

Christel Hunter is director of codes and standards for Cerro Wire. Chris is a senior associate member of IAEI and serves as a board member for the Southern Nevada Chapter of IAEI, the IEEE Standards Association Standards Board, and the Las Vegas Section of IEEE. Chris also serves on NEC CMP-6 and CMP-13 and NFPA 921. Chris is a Certified Standards Professional, Master Electrician, and LEED Accredited Professional.

Randy Hunter is an instructor and consultant specializing in electrical code and installations, and co-owner of Hunter Technical Services. He holds ten inspections certifications from IAEI and ICC. He is the IAEI Southern Nevada IAEI Chapter president and has been a master electrician since 1988.