Question { IOCL, 9574 }

what is the funda of earthing? Explain breifly about
earthing?

Answer

The earth connection improves service continuity and avoids
damage to equipment and danger to human life.
The object of an earthing system is to provide as nearly as
possible a surface under and around a station a uniform
potential and as nearly zero or absolute earth potential as
possible.In general, all parts of apparatus other than live
parts,shall be at earth potential which is always at a zero
potential.
( This information is referred from IS:3043 - 1987 for the
benefit of readers ).