Fireproof Cables







24.voltage rating
The voltage rating of a cable is the highest voltage that may be continuously applied to a cable construction in compliance with the relevant cable standard or specification. Voltage rating figures for cables are normally written as a figure Uo/U (Um)
Uo = Rated voltage phase to Earth
U = Rated voltage phase to phase
Um = Maximum system voltage

Caledonian Cables |FAQ |© 2019