Standard 1666, Edition 5
UL 1666

Standard Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts

UL CSDS Proposal Edition 5 Published Date: December 08, 2006 Last Revision: September 24, 2021

Summary of Topics b1666_5_20061208_sum.html

Subject 1666

Bulletin Dated: December 8, 2006

SUMMARY OF TOPICS

The following changes in requirements are being proposed:

1. Proposed Fifth Edition of the Standard for Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts, UL 1666. This proposed new edition contains formatting and editorial revisions such as renumbering, pagination, and cross-referencing.
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