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ALL UL STDS for CANADA
1.1 These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with:
a) In Canada:
1) The National Building Code of Canada,
2) The National Fire Code of Canada,
b) In the United States:
3) The National Fire Alarm and Signaling Code, NFPA 72
This new edition of ANSI/UL 539 dated June 23, 2022 has been issued to incorporate changes from proposals dated May 21, 2021 and October 15, 2021.
RevisionsRed Line Std. (0)
CSDS Proposals (0)
UL LLC CRD (0)
Other Updates (0)
Referenced Standards (27)
Reverse Referenced Standards (1)
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