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What is nominal voltage?

Marco Thull | 8. July 2019

The nominal voltage of an electrical load or a voltage source (battery, generator, power grid) is the electrical voltage during normal operation as specified by the manufacturer or supplier. Unless indicated otherwise, it is the RMS value of the voltage. Vote Up +0 Vote Down -5You already voted!

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Why are there two values for the nominal voltage?

Marco Thull | 8. July 2019

The first value indicated for the nominal voltage is the maximum permissible voltage between phase and earth, whereas the second value indicates the maximum permissible nominal voltage that is measured between two outer conductors (phase to phase). Vote Up +0 Vote Down -0You already voted!

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