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About: Optical fiber, nonconductive, riser     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Telegram106622709, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatSignalCablesyago:Abstraction100002137yago:Cable106275095yago:Communication100033020yago:Message106253690television stationyago:Telegram106622709 New Facet based on Instances of this Class

Optical fiber, nonconductive, riser (OFNR) is a type of optical fiber cable.As designated by the National Fire Protection Association (NFPA), this name is used for interior fiber-optic cables which contain no electrically conductive components, and which are certified for use in riser applications; they are engineered to prevent the spread of fire from floor to floor in a building. Typically they are tested for compliance with ANSI/UL 1666–1997, Standard Test for Flame Propagation Height of Electrical and Optical-Fiber Cable Installed Vertically in Shafts. NFPA NEC 2005 Art 770.51(B) FPN.