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Earth Ground Testing

Most facilities have grounded electrical systems, so that in the event of a lightning strike or utility overvoltage, current will find a safe path to earth. A ground electrode provides the contact between the electrical system and the earth. To ensure a reliable connection to earth, electrical codes, engineering standards, and local standards often specify a minimum impedance for the ground electrode. The International Electrical Testing Association specifies ground electrode testing every three years for a system in good condition with average up-time requirements.

Fluke earth ground testers provide quick, accurate impedance measurements through several test methods: 3- and 4-pole Fall-of-Potential testing, selective testing, stakeless testing and 2-pole testing. Detailed application information can be found at the Earth Ground Solution Center.

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Fluke 1630-2 Earth Ground Clamp » Fluke 1630-2 FC Earth Ground Clamp
Fluke 1625-2 » Fluke 1625-2
Fluke 1623-2 » Fluke 1623-2
Fluke 1621 » Fluke 1621
Show me all the Earth Ground products »

Earth Ground Resources

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ApplicationNotes and Case Studies »
EarthGround Education (.pdf) »
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