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UL 539

UL Standard for Safety Single and Multiple Station Heat Alarms

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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...
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...
UL 539
January 30, 2009
UL Standard for Safety Single and Multiple Station Heat Alarms
A description is not available for this item.
UL 539
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...
UL 539
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...
UL 539
July 21, 2000
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
UL 539
July 21, 2000
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
539
January 1, 1995
UL Standard for Safety Single and Multiple Station Heat Detectors
A description is not available for this item.
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References

This document references:
UL 1004-1 - UL Standard for Safety Rotating Electrical Machines – General Requirements
Published by UL on September 19, 2012
This Standard applies to form wound rotating electrical machines rated less than 460 volts and all other rotating electrical machines and linear motors, both AC and DC, rated 1,000 volts or less....
This document references:
UL 1004-2 - UL Standard for Safety Impedance Protected Motors
Published by UL on January 10, 2014
This Standard is intended to be read together with the Standard for Rotating Electrical Machines – General Requirements, UL 1004-1. The requirements in this Standard supplement or amend the...
This document references:
UL 1004-3 - UL Standard for Safety Thermally Protected Motors
Published by UL on February 27, 2015
This Standard is intended to be read together with the Standard for Rotating Electrical Machines – General Requirements, UL 1004-1. The requirements in this Standard supplement or amend the...
This document references:
UL 20 - UL Standard for Safety General-Use Snap Switches
Published by UL on July 20, 2018
The requirements of this Standard apply to manually operated, general-use snap switches for connection to copper (Cu) or copper-clad conductors used in accordance with the National Electrical Code...
This document references:
UL 224 - UL Standard for Safety Extruded Insulating Tubing
Published by UL on March 6, 2006
This Standard specifies the requirements for insulating tubing that is usually round in cross-section and that consists entirely of extruded compounds whose characteristic constituents are...
This document is referenced by:
UL 827 - UL STANDARD FOR SAFETY Central-Station Alarm Services
Published by UL on October 29, 2014
These requirements apply to: a) Central stations providing watchman, fire-alarm, and supervisory services as described in the National Fire Alarm and Signaling Code, NFPA 72; b) Central-station...
This document is referenced by:
ICC TITLE 24 P9 CCR - CALIFORNIA FIRE CODE - CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 9
Published by ICC on January 1, 2019
The provisions of this code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of...
This document is referenced by:
ICC I-CODE CBC VOL II - CALIFORNIA BUILDING CODE - CALIFORNIA CODE OF REGULATIONS TITLE 24, PART 2, VOLUME 2 OF 2
Published by ICC on January 1, 2019
Scope and Administration. Chapter 1 establishes the limits of applicability of the code and describes how the code is to be applied and enforced. Chapter 1 is in two parts, Part 1—Scope and...
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