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UL - 539 BULLETIN

UL Standard for Safety Single and Multiple Station Heat Alarms

active, Most Current
Organization: UL
Publication Date: 21 May 2021
Status: active
Page Count: 142
scope:

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

Document History

539 BULLETIN
May 21, 2021
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: a) In Canada: 1) the National Building Code of Canada, 2) the...
July 26, 2019
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
April 13, 2018
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
February 24, 2017
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
September 30, 2016
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
October 3, 2014
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
July 25, 2014
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
January 31, 2014
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
August 15, 2008
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
April 25, 2008
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
January 18, 2008
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
June 3, 2005
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.

References

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