Code Hunters: Definitions (2017 NEC)


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. __________. A portion of a sign that may provide protection from the weather but is not an electrical enclosure.
2. __________. A vessel that holds the plates, electrolyte, and other elements of a single unit battery.
3. __________. A conductor, other than a service conductor, that has overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors that are protected as described elsewhere in 240.4.
4. __________. A unit that is built on a single chassis mounted on wheels and has a gross trailer area not exceeding 37 m2 (400 ft2) in the set-up mode.

__________. An electric device and circuit that controls a disconnecting means through a relay or equivalent device.

6. __________. The individual responsible for starting, stopping, and controlling an amusement ride or supervising a concession.
7. __________. An appliance that is actually moved or can easily be moved from one place to another in normal use.
8. __________. The highest level that water can reach before it spills out.
9. __________. A device connected on the load side of a branch circuit overcurrent protective device that transfers only emergency lighting loads from normal supply to an emergency supply.
10. __________. A unit or assembly of units or sections and associated fittings forming a structural system used to securely fasten or support cables and raceways.

Bonus Question

Definitions that appear in two or more places in the NEC are required to be located in Article 100.


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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 and the Las Vegas Section of IEEE. Chris also serves on NEC CMP-6 and CMP-7, the CE Code Part I committee and Sections 4 and 12 subcommittees, and many other industry committees. She is a certified standards professional, master electrician, and LEED accredited professional. Randy Hunter has over thirty years’ experience in the electrical industry including working in the government, contracting and manufacturing sectors. He is an instructor and consultant specializing in electrical code and installations, and co-owner of Hunter Technical Services. He holds twelve inspections certifications from IAEI, ICC and IAPMO. He is the IAEI Southwestern Section secretary, Southern Nevada IAEI Chapter president, former principal member on NEC CMP-6 and CMP-17, voting member of UL 1563 (Electric Spas, Equipment Assemblies, and Associated Equipment), and a former member of the IAPMO Product Certification Committee and Standards Review Committee. Randy has served on several Southern Nevada local code committees and electrical licensing committees and has been a master electrician since 1988. Prior to that, he designed and built computer numerically controlled (CNC) machine tools.