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. Energy storage system (ESS). One or more components assembled together capable of storing energy for use at a __________.
2. Each vented cell of a storage battery shall be equipped with __________.
3. An energy storage system connected to a PV system shall be installed in accordance with __________.
4. A listed and labeled current-limiting overcurrent protective device shall be installed __________ the ESS for each DC output circuit.

Batteries constructed of __________container shall have insulating support if a voltage is present between the container and ground.

6. This article applies to all permanently installed (ESS) operating at over __________ that may be stand-alone or interactive with other electric power production sources.
7. Article 706 requirements apply to energy storage systems used for railway signaling installations.
8. Storage batteries and battery management equipment are required to be listed.
9. Provisions shall be provided to control the __________ of the ESS.
10. Spaces about battery systems shall comply with __________.

Bonus Question

Are lead-acid batteries required to be listed?


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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, 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.