This revision of CAN/ULC 566 dated February 10, 2025 includes the revisions to salt spray corrosion test, 45.1 – 45.1C, 45.3, and 45.5.
1.1 These requirements cover the construction and performance, exclusive of performance during fire tests, of portable halocarbon clean agent fire extinguishers. Halocarbon clean agent fire extinguishers are intended to be utilized in accordance with the Standard for Portable Fire Extinguishers, NFPA 10 and with the National Fire Code of Canada.
1.2 The requirements for performance during fire testing of halocarbon clean agent fire extinguishers are specified in the Binational Standard for Rating and Fire Testing of Fire Extinguishers, ANSI/UL 711 / CAN/ULC-S508.
1.3 As used in these requirements, the term "fire extinguisher" refers to all extinguishers or any part thereof covered by these requirements, unless specifically noted otherwise.
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