OFNR

OFNR definition - telecom
The designation by the National Fire Protection Association (NFPA) for fiber optic cables that contain no electrically conductive components and are certified for use in interior riser applications. See also cable, conductor, optical fiber, and riser cable.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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