What is the Sphere of Influence?
Ask the Grounding Experts · Hosted by David R. Stockin, P.E.
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About This Episode
In this episode, E&S Ground Solutions President David Stockin talks about the sphere of influence, which is a scientific theory that estimates the volume of soil utilized by a given earthing / grounding electrode system. The diagonal (maximum) below-grade length of the electrode system is equal to the radius of its sphere-of-influence. Knowing the sphere of influence of a grounding / earthing system is useful for engineers and electricians when trying to improve the resistance-to-ground of an electrode system.
About the Host
David R. Stockin, P.E. is President and co-founder of E&S Grounding Solutions, Inc., a Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in electrical grounding and lightning protection engineering. David has performed grounding and lightning protection studies in over 160 countries across 6 continents and is an IEEE-accredited continuing education provider.
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