UL-1638 › Historical Revision Information
Visible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories

UL-1638 - 6TH EDITION - CURRENT
Show Complete Document History


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


This document comes with our free Notification Service, good for the life of the document.

This document is available in Paper format.

ORDER

Price:

$582.00




Document Number

UL-1638

Revision Level

6TH EDITION

Status

Current

Publication Date

April 27, 2023