Browse & Buy UL Standards

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

Back to Standard 1481, Edition 5

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.


You have one or more subscriptions that will expire soon.