UL 539
UL Standard for Safety Single and Multiple Station Heat Alarms
active, Most Current
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Organization: | UL |
Publication Date: | 28 April 2017 |
Status: | active |
Page Count: | 121 |
scope:
These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.
These requirements do not cover electrically operated single or multiple station smoke or heat alarms.
Document History

UL 539
April 28, 2017
UL Standard for Safety Single and Multiple Station Heat Alarms
These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.
These...

April 28, 2017
UL Standard for Safety Single and Multiple Station Heat Alarms
These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.
These...

January 30, 2009
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.

January 30, 2009
UL Standard for Safety Single and Multiple Station Heat Alarms
These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.
These...

January 30, 2009
UL Standard for Safety Single and Multiple Station Heat Alarms
These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with the National Fire Alarm Code, NFPA 72, Chapter 11.
These...

July 21, 2000
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.

July 21, 2000
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.

January 1, 1995
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.