UL-1638 Visible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories

UL-1638 - 5TH EDITION - CURRENT
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Included in this current edition are the following subparts:

 5TH EDITION - Jan. 28, 2016
 CHANGE 09/17 - Sept. 6, 2017


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Document Number

UL-1638

Revision Level

5TH EDITION

Status

Current

Publication Date

Jan. 28, 2016