Knowledge Center

What is the 4-Point Soil Resistivity Test? (Part 1)

March 31, 2021

About This Video

Part 1 of a 2-part series on the Wenner 4-point soil resistivity test. David Stockin explains why soil resistivity is the single most important factor in grounding electrode design, how the test is performed in the field, and how the data is interpreted to select the right electrode system for a given site.

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