Q. What are the requirements related to the use of a ground rod for the grounding electrode system, including sizing of the grounding electrode conductor? (Answer based on 2011 NEC.) A. Ground rod ...

Engineer Richard Cabrera has enjoyed and derived many good tips from Workbench postings. He seldom writes in but felt compelled to do so when he read the Sept. 8 tip about driving a ground rod with a ...

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 ...

Sir Rod Stewart shot to fame during the 60s for his distinctive raspy vocals and electric sound, he has enjoyed a successful career having sold more than 120 million records worldwide and therefore ...