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Standard 1481, Edition 5

Standard for Power Supplies for Fire-Protective Signaling Systems

UL Bulletin
Standard 1481, Edition 5 Edition Date: December 22, 2017 $203.00-$254.00
Summary of Topics m2524_1_20171222_sum.html

Subject 864 , 2572 (864, 1481, 1711, 2572)

Bulletin Dated: December 22, 2017

Summary of Topics

This bulletin announces the availability of the Outline of Investigation for In-building 2-Way Emergency Radio Communication Enhancement Systems, UL 2524

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