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Standard 464, Edition 10

Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories

UL CSDS Proposal
Standard 464, Edition 10 Edition Date: November 18, 2016
Summary of Topics b0464_10_20161118_sum.html

Subject 464

Bulletin Dated: November 18, 2016

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories, UL 464, are being proposed:

1. Clarification and Revision of Outdoor Use Enclosure Requirements, Abnormal Operation and Burnout Test, and Mechanical Strength Tests for Enclosures

2. Reference Document Changes and Corrections to UL 464/ULC-S525

Back to Standard 464, Edition 10

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