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Check out this link on deep earth vs shallow earth grounding. http://www.groundperfect.com/deepearthpaper.htm We have driven many rods near river banks and even though you would think the top soil would be good in that location and stay consistant year round it is not always the case. I...

I personally would drive deep earth elecrodes to attain a resistance near 1 Ohm or less to better protect the whole facility incluing your fence. Not knowing the exact layout of the area I cannot say how many or where to place them and connect them to the equipment. Before everyone laughs as...

I agree that it is a very dangerous mistake. Getting between the separate grounds could be life threating with or without lighting.

I am a slight bit biased on our method of grounding but it makes simple sense and may be a round about answer to your question. We have been intalling deep earth (100 foot plus)electrodes in all earth types including rock for over 20 years now. We usally shoot for 3 ohms or less resistance...