1) Why We use of Stones/Gravel in electrical Switch Yard....? ( sai saikumar jn )

1) Why We use of Stones/Gravel in electrical Switch Yard..

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 *.Reducing Step and Touch potentials during Short Circuit Faults 

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*.Eliminates the growth of weeds and small plants in the yard 

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*.Improves yard working condition 

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*.Protects from fire which cause due to oil spillage from transformer and also protects from wild habitat. 

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