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Earth Ground Solution Center

Earth Ground Education

Learn about the principles, testing methods and applications of Earth Ground resistance.
Diagnose intermittent electrical problems, avoid unnecessary downtime and learn earth ground safety principles.

Learn more today (.pdf) »

Key Earth Ground Products


Fluke 1621 Earth Ground Tester »
Fluke 1625/1623 GEO Earth Ground Testers »
Fluke 1630 Earth Ground Clamp Meter »

Earth Ground Application Notes

Is that a tingle she feels? »
I'm just a dairy farmer? »
Checking ground electrode impedance for commercial, industrial and residential
buildings »

All application notes »

Training and Events

Electrical Measurement Safety »
Fluke Training Center »

New to Earth Ground Testing?
Start Here

Why Ground, Why Test? »

Why ground? Why test grounding systems? What is a ground and what does it do? What is a good ground resistance value?

Grounding Basics »

The components of a ground electrode, and locations of resistances. What affects the ground resistance?

Methods of earth ground testing

Soil resistivity measurement »
Fall-of-Potential measurement »
Selective measurement »
Stakeless measurement »

Specific Applications

How earth ground measurements at central offices are taken »

More Ground Resistance Applications

Learn about four particular application sites and recommended tests »

Additional Resources

Links and information for organizations that have recommendations and/or standards for grounding to ensure safety.
Read more »
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