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How To Do Electrical grounding system testing The measurement of ground resistance for an earth electrode system is very important. It should be done when the electrode is first installed, and then at periodic intervals thereafter.
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Prior to about 15 years ago, the basic methodology for ground testing remained fundamentally unchanged since it was originally devised in the early 20th century.
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Technical guides for Ground & Earth Testing . Download technical papers and documentation about Ground & Earth Testing.
Along with the development of new instrumentation, the test procedure itself was also standardized. By "walking" the potential probe toward the current probe and graphing the measurements, the end-user could develop a profile that reliably indicated the ground electrode's resistance.
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Ground Resistance Principles, Testing, Techniques & Applications Table of Contents. Ground Resistance Testing. These systems are typically installed at power generating substations.
Tip Of The Week: Insights From Nec Article 110, Part 1 Make sure the equipment you're installing is appropriate for specific applications. The requirements of Art. 110 in the National Electrical Code (NEC) apply to all installations. The sheer number of violations of this Article's requirements indicates a need to be very familiar with it. National Electrical Code Top Ten Tips: Article 250 — Grounding. by