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UL1666
Riser Rated per UL1666
- 1 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. 1.1 revised June 27, 2012
- 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.
