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Standard 1638, Edition 5

Standard for Visual Signaling Appliances - Private Mode Emergency and General Utility Signaling

UL CSDS Proposal
Standard 1638, Edition 5 Edition Date: June 19, 2015
Summary of Topics b1638_5_20150619_sum.html

Subject 1638

Bulletin Dated: June 19, 2015

SUMMARY OF TOPICS

The following topics for the Standard for Visual Signaling Appliances - Private-Mode Emergency and General Utility Signaling, UL 1638, are being recirculated:

1. Proposed Changes for the Proposed Fifth Edition of the Standard for Visible Signaling Devices for Fire Alarm and Signaling Systems, Including Accessories, UL 1638

Back to Standard 1638, Edition 5

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