Tag: resistance
Why are 94Hz, 105Hz, 111Hz, and 128Hz frequencies used...
Numerous studies going back many decades have shown that ground resistance measurements...
What are some different types of grounding electrodes?
The National Electric Code requires that the grounding electrodes be tested to ensure...
How To Do Electrical Grounding System Testing
The 3-point or fall-of-potential method is used to measure the resistance-to-ground...
What Is Soil Resistivity Testing?
Electrical resistivity is the measurement of the specific resistance of a given...
What Is Ground Potential Rise and Earth Potential Rise?
The voltages produced by a Ground Potential Rise or Earth Potential Rise event can...
What is Step and Touch Potential and Reducing Resistance...
Step potential is the step voltage between the feet of a person standing near an...