CAN ULC-S525-2016-REV1 2017
$53.95
Standard for Audible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories
| Published By | Publication Date | Number of Pages |
| ULC | 2016 | 120 |
This Standard covers requirements for 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.
The following changes have been incorporated into this edition of the Standard:
- a) Revision of outdoor use enclosure requirements includes item ″c″ in Clause 5.2.8.1, which was accidentally omitted, to be consistent with CAN/ULC S-526 and CAN/ULCS541;
- b) Revisions to Clause 7.10, Abnormal Operation and Burnout Test, to resolve the binational differences between Canada and the United States and to insert any missing requirements that were accidentally omitted during the creation of the original binational document;
- c) Revisions to clarify the temperature conditioning requirements for indoor and outdoor use appliances in Mechanical Strength Tests for Enclosures (clauses 7.21.2.1 and 7.21.4);
- d) Additional reference document changes and corrections to existing requirements in CAN/ULC-S525.
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