Explanation: Section 250.64 (E)(1) requires ferrous raceways to be bonded at both ends to the GEC, since aluminum is non-ferrous it would not be required to be bonded at both ends. Lupacchino is a ...
Explanation: Section 250.52(A)(1) requires the pipe to be in direct contact with the earth for a minimum of 10 ft but no minimum depth is required. John Lupacchino is a senior design engineer with ...
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