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mini
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Join Date: Jul 2008
Posts: 8

Spacing between earth electrodes

07/24/2008 9:05 AM

Do any specific requirement is there in BS6651 (Lightning protection)or any other standard on the minimum spacing to be adopted between an electronic earth pit(clean earth) and a lightning protection earth pit?
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biswanath.das
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Join Date: Oct 2006
Location: Kolkata, India
Posts: 447
#1

Re: Spacing between earth electrodes

07/25/2008 6:13 AM

there is no gaph mentioned in BS but to avoid the potential gradiant developed due to lightning stroke its better to maintain min 2 length of electrode from Lightning earthing to electronic earthing. You can refer to IEEE 80 to know more on potential gradient and its effect.

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