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.