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Question


Two types of earthings are provided: (a) Equipment earthing and (b) Neutral point earthing. Equipment earthing is provided for

A
Safety of human being
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B
Safety of equipments
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C
Safety of starters and cables
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D
None
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Solution

The correct option is A Safety of human being
Equipment earthing is a connection done through a metal link between the body of any electrical appliance, or neutral point, as the case may be, to the deeper ground soil. The metal link is normally of MS flat, CI flat, GI wire which should be penetrated to the ground earth grid.
  • Safety of personnel
  • Safety of equipment Prevent or at least minimize damage to equipment as a result of flow of heavy currents.
  • Improvement of the reliability of the power system

Option A is correct.

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