Knowledge Center

What is Resistance to Ground Measurement? (Part 1)

April 30, 2021

About This Video

Part 1 of a 2-part series on resistance-to-ground measurement. David Stockin introduces the fall-of-potential (3-point) test method, explains what resistance-to-ground actually measures, and discusses why the commonly cited '5 ohm' or '25 ohm' specifications are often misunderstood and misapplied.

Schedule a Free Consultation

Our expert engineers are ready to help you solve your most complex grounding, bonding, and lightning protection challenges.