Question

What is a earth switch ​

Answer 1

Earthing Switch is necessary to earth the conducting parts

before maintenance and also to provide deliberate

short-current while testing.This enables various tests to be

performed on the Switchgear or item of equipment, such as

testing the current Transformer of measuring the operating

time of breakers, without having to open the enclosure.

During normal operation the insulation is bypassed by a

short-circuit-proof link.

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