Yes it is part of the grounding grid for the plant other sections of the grid are contained in the trenches with the electrical and instrumentation cables which have a concrete layer of 2" minimum but at some places they have constructed trenches just for the grounding cable so I was wondering if these grounding trenches need the concrete cover as well.infinity said:What is the purpose of this #4/0 conductor? Is a part of a grounding ring?
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