1 Scope

1.1 These requirements cover the construction and operation of inert gas clean agent fire extinguishing system units intended to be installed, inspected, tested, and maintained in accordance with the Standard for Clean Agent Fire Extinguishing Systems, NFPA 2001 and with the National Fire Code of Canada.

Summary of Topics

This revision of ANSI/CAN/UL/ULC 2127 dated November 30, 2021 includes a change in requirements to:

– Electronic Documentation for Fire Suppression Standards; 5.1, 57.5A, 58.1 – 58.3, 60.2

– Salt Spray Applicability; 7.2, 29.1, 29.2

– Flammability of Externally Exposed Parts; 20.2

– Nameplate Abrasion Testing Update; 55.2, 55.3