NVP

The nominal velocity of propagation of a cable is the speed the electrons flow down the cable as a percentage of the speed of light. Most NVP are between 60% and 70%. The NVP of a cable is required to enable portable testers to accurately measure the length of an installed link or channel.

NVP

Nominal Velocity of Propagation

NVP

Net Present Value, details ...
Found on http://www.cryer.co.uk/glossary/n/index.htm
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