Most recent
UL 539 Ed. 8-2022
Single and Multiple Station Heat Alarms - Published Date: January 14, 2025
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
- ADD TO ALERT |
- PDF |
Underwriters Laboratories [ul]