ULC CAN-S525

AUDIBLE SIGNALING DEVICES FOR FIRE ALARM AND SIGNALING SYSTEMS, INCLUDING ACCESSORIES

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Organization: ULC
Publication Date: 28 January 2016
Status: active
Page Count: 120
ICS Code (Alarm and warning systems): 13.320
ICS Code (Fire protection): 13.220.20
scope:

This standard applies to electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or outdoor installation:

a) In Canada, in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with CAN/ULC-S524, Standard for Installation of Fire Alarm Systems. Refer to CAN/ULC-S541, Speakers for Fire Alarm and Signaling Systems, Including Accessories, for requirements pertaining to speakers.

b) In the United States in accordance with the National Electrical Code, NFPA 70, and the National Fire Alarm and Signaling Code, NFPA 72.

This standard applies to audible signaling devices for use in ordinary (non-hazardous or non-corrosive) locations. 

This standard also applies to protective covers and accessories used with audible signals. 

This standard does not apply to door bells, buzzers and chimes used in household and similar applications and intended for operation on Class 2 signal circuits as defined in:

a) In Canada, CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations,

b) In the United States, the National Electrical Code, NFPA 70.

NOTE: In the United States, general signaling appliances are covered by the Standard for Audible Signal Appliances for General Signaling Use, UL 464A. 

Audible signaling devices for use in hazardous or corrosive locations shall comply with the requirements of this Standard and the applicable requirements of:

a) In Canada, CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, with respect to the location hazard;

b) In the United States, the National Electrical Code, NFPA 70. 

A supplementary visual signal, incorporated as part of an audible signaling device which is intended for fire alarm application shall comply with the requirements of this Standard and the applicable requirements of:

a) In Canada, CAN/ULC-S526, Standard for Visible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories;

b) In the United States, the Standard for Visible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories, UL 1638.

Document History

ULC CAN-S525
January 28, 2016
AUDIBLE SIGNALING DEVICES FOR FIRE ALARM AND SIGNALING SYSTEMS, INCLUDING ACCESSORIES
This standard applies to electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or...
January 28, 2016
AUDIBLE SIGNALING DEVICES FOR FIRE ALARM AND SIGNALING SYSTEMS, INCLUDING ACCESSORIES
This standard applies to electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or...
February 1, 2007
AUDIBLE SIGNAL DEVICES FOR FIRE ALARM SYSTEMS, INCLUDING ACCESSORIES
These requirements cover electrically operated bells, sirens, horns, and similar audible signal devices, rated at 300 V or less, for fire-protective signalling service and intended for indoor and/or...
June 1, 1999
Standard for Audible Signal Devices for Fire Alarm Systems
A description is not available for this item.
January 1, 1978
Standard for Audible Signal Appliances for Fire Alarm Systems
A description is not available for this item.

References

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