Explanation: Section 250.53(A)(2) requires that a single ground rod be supplemented by another electrode. An exception allows a single rod if the resistance of this ...

Lightning protection is a critical aspect of establishments that operate sensitive electrical equipment, especially in the broadcast industry. Tied to this first line of protection against lightning ...

For electrical workers, installing a standard grounding system is almost an afterthought — drive two ground rods and you're done. But this practice is inadequate for today's demanding applications ...