General

Earth Fault-Loop Impedance Calculation

What is “Earth Fault-Loop Impedance”? Why is it important? Standards define “Earth Fault-Loop Impedance” as the impedance of the earth fault-current loop (active-to-earth loop) starting and ending at the point-of-earth …

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Design

Cathodic Protection and Earthing

Cathodic protection and earthing are two different topics belonging to the opposite sides of the spectrum. The implementation and principles are actually different. To simply illustrate what I mean, for …