IS 3043 EARTHING PDF

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Earthing Details as is-3043

In the case of high and extra high voltage the neutral points shall be earthed by not Less than two separate and distinct connections with earth, each having its own electrode at the generating station or substation and may be earthed at any other point provided 'no interference is caused by such earthing. If necessary, the neutral may be earthed through suitable impedance. In cases where direct earthing may prove harmful rather than provide safety for example, high frequency and main frequency coreless induction furnaces. Relaxation may be obtained from the competent authority.

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