open circuit Hear it!

open circuit definition - telecom
  1. A signal path, line, or channel that is available for use.
  2. In electrical engineering, an electrical loop or path that contains infinite impedance.An open may indicate a fault, as in a severed cable, or may be intentional, as in a switch. See also impedance.

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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