Articles
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More than a Professional Development Hour (PDH)
Training is an essential component of continuing development in the engineering profession. In North America, professional development hours (PDHs) are…
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So, you think it’s grounded?
What is the total cost for a failed high voltage circuit – equipment materials, labor, and outages? During a recent…
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Are we really testing R, Z or something else?
In theory, grounding system testing is very simple. One simply applies a voltage between the system under test and a…
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Spawning salmon, “Roll Tide” and a strange man – Life in the Safearth Americas Office
From current injection testing in a flowing river amongst spawning salmon to performing tests at nuclear facilities… things are done…
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Electric Shock Case Study 1: The Jumbo Tingle at an Underground Mine
As world-recognised experts in safe power system earthing/grounding and lightning protection systems, Safearth are often called to investigate electric shock…
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The Benefits of Regular Integrity Testing
Equipotential Bonding for Safety If every structure in the yard is properly bonded to the ground grid, then it can…
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Grounding Tests: Making the Right Choice
What is grounding system testing? There are actually many different tests, each with different purposes and benefits. Dr Darren Woodhouse,…
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Advancements in Grounding Integrity Testing
An Overview of Recent Improvements in Grounding System Integrity Testing Until recently, condition monitoring of power system grounding systems required…