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UL 464

UL Standard for Safety Audible Signal Appliances

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Organization: UL
Publication Date: 14 August 2009
Status: inactive
Page Count: 83
scope:

These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling service and intended for indoor or outdoor locations or both in accordance with the National Electrical Code, NFPA 70, and the National Fire Alarm Code, NFPA 72.

These requirements cover audible signal appliances for use in ordinary locations. Audible signal appliances for use in hazardous locations, as defined in the National Electrical Code, NFPA 70, are judged on the basis of their compliance with these requirements and further appropriate examination and tests to determine if they are acceptable for such use.

These requirements do not cover door bells, buzzers, and chimes used in household and similar applications and intended for operation on Class 2 signal circuits as defined in the National Electrical Code, NFPA 70.

A supplementary visual signal, incorporated as part of an audible signal appliance which is intended for fire alarm application, is covered by the applicable requirements in this standard, and in the Standard for Visual Signaling Appliances - Private Mode Emergency and General Utility Signaling, UL 1638, or in the Standard for Signaling Devices for the Hearing Impaired, UL 1971. 

A supplementary visual signal, incorporated as part of an audible signal appliance which is intended for general signaling (nonfire alarm service), is covered by the applicable requirements of this standard.

Document History

January 28, 2016
UL Standard for Safety 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
UL Standard for Safety 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...
August 14, 2009
UL Standard for Safety Audible Signal Appliances
These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling...
August 14, 2009
UL Standard for Safety Audible Signal Appliances
These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling...
UL 464
August 14, 2009
UL Standard for Safety Audible Signal Appliances
These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling...
April 28, 2003
UL Standard for Safety Audible Signal Appliances
A description is not available for this item.
April 28, 2003
UL Standard for Safety Audible Signal Appliances
These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling...
April 28, 2003
UL Standard for Safety Audible Signal Appliances
These requirements cover electrically and electronically operated bells, buzzers, horns, and similar audible signal appliances, rated 300 volts or less, for general or fire-protective signaling...
464
February 23, 1996
UL Standard for Safety Audible Signal Appliances
A description is not available for this item.
February 23, 1996
UL Standard for Safety Audible Signal Appliances
A description is not available for this item.
464
January 1, 1996
UL Standard for Safety Audible Signal Appliances
A description is not available for this item.

References

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