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 ...

You basically perform work on two types of systems: solidly grounded or ungrounded. The general requirements for grounding and bonding these systems can be summarized as follows. You ground ...

The National Electrical Manufacturers Association has published ANSI/NEMA GR 1-2007 Grounding Rod Electrodes and Grounding Rod Electrode Couplings. It provides practical information concerning ...