Do I need a grounded conductor in my subpanel if all my loads are all 220v
Jack asks “Do I need a grounded conductor (neutral) in my subpanel if all my loads are all 220v (i.e. 2-phase)?” Thank you for your... Read More
We Wrote The Book on Grounding and Earthing!
Our engineering manager David Stockin is the author of McGraw-Hills NEC 2014
Grounding and Earthing Handbook which fully discusses above-grade wiring issues
and below-grade earthing issues related to electrical grounding.
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Why use one type of grounding electrode instead of another?
Find out now. Downloading our “Grounding Electrodes Explained” White Paper which covers the features and benefits of different grounding electrodes, the importance of soil resistivity testing and more, all in an easy-to-read and understandable manner!
Wenner 4 Point Soil Resistivity Testing
Soil resistivity testing is absolutely essential when it comes to reliable electrical grounding design or determining ground rise potential.
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Cell Site Grounding Requirements
We meet the 5 Ohm resistance to ground requirement to keep your valuable cell site and telecommunications equipment within warranty.
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Grounding System Design
Our comprehensive grounding system design improves reliability, reduces maintenance costs, and reduces downtime.
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Ground Potential Rise Studies
The voltages produced by a Ground Potential Rise event can be hazardous. A Ground Potential Rise Study is the process of automated timed and/or continuous resistance-to ground measurement.
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Electrical Engineering Services
Our Electrical Engineering Services can help you enhance the safety and reliability of your power system including recommendations to mitigate future power system issues.
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Grounding System Evaluations
We provide complete electrical grounding audits which can reduce the probability of injury and lost time and revenue as a result of lightning strikes, AC power ground fault currents and more.
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Ask The Experts Blog
What is the difference between neutral and ground wires?
Raymond asks, what is the difference between neutral and ground wires? Let’s start by getting the terminology down: The neutral wire or “grounded conductor” is... Read More
Why are 94Hz, 105Hz, 111Hz, and 128Hz frequencies used for earth ground resistance meters?
Numerous studies going back many decades have shown that ground resistance measurements should be conducted using a true Direct-Current (0 Hz) source with an Induced-Polarization... Read More
What Are Some Typical Electrical Grounding Testing Procedures?
Mike asks, what types of preventative maintenance electrical grounding testing procedures do you recommend for electrical grounding systems and how often? Hi, Mike, thank you... Read More