692 – Fuel Cell Systems

692.4(B) – Identification of Power Sources in Fuel Cell Systems

Change at a Glance:

Three separate List Items where created to clearly identify the requirements for different fuel cell system types to add clarity to the placarding of these systems.

692.4 Installations (Fuel Cell Systems)

(A) Fuel Cell System. A fuel cell system shall be permitted to supply a building or other structure in addition to any service(s) of another electricity supply system(s).

(B) Identification of Power Sources. A permanent plaque or directory, denoting all electric power sources on or in the premises, shall be installed at each service equipment location. Fuel cell systems shall be identified according to 692.4(B)(1) through (B)(3).
(1) Interconnected AC Systems. Plaques or directories shall be installed in accordance with 705.10.
(2) DC Microgrid Systems. Plaques or directories shall be installed in accordance with 712.10.
(3) Stand-Alone Systems. Plaques or directories shall be installed in accordance with 710.10.

(C) System Installation. Fuel cell systems including all associated wiring and interconnections shall be installed by only qualified persons.
Informational Note: See Article 100 for the definition of qualified person.