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What should be the minimum size of a GI earth electrode for 15 hp motor?
Question

What should be the minimum size of a GI earth electrode for 15 hp motor?

A.

90cm×60cm×3mm

B.

30cm×30cm×6mm

C.

60cm×60cm×3mm

D.

60cm×60cm×6mm

Correct option is D

· 60cm×60cm×6mm: This provides a balance of adequate surface area and sufficient thickness, making it the most suitable choice for effectively grounding a 15 hp motor.
· When it comes to the minimum size of a GI (Galvanized Iron) earth electrode for grounding a 15 hp motor, certain standards and practical guidelines are typically followed to ensure adequate grounding.

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