UL CSDS Proposal
Published Date: March 23, 2012
Last Revision: September 24, 2021
Scope
016660-000000-0000001 Scope
1.1 This is a fire test for determining values of flame propagation height for electrical and optical-fiber cables that are for installation vertically in shafts or in vertical runs that penetrate one or more floors.
1.2 The purpose of this test is to determine whether the flame propagation characteristics of these "riser" cables are in accordance with the National Electrical Code.
1.3 This test does not investigate the toxicity or corrosivity of the products of combustion or decomposition.
1.4 This test does not cover the construction requirements for any cable or the electrical, optical, and other performance requirements for any cable.
Summary of Topics b1666_5_20120326_sum.htmlSubject 1666
Bulletin Dated: March 26, 2012
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts, UL 1666, are being proposed for preliminary review and comment only:
1. For Preliminary Review Only: Revision to Scope
Back to Standard 1666, Edition 5