Resistance of Earth Electrodes in Parallel

In previous articles Single Earth Electrode and Earthing Resistance Calculation, I have presented methods of calculating the earth resistance using IEEE or IEC methods. AS 1768 Appendix C recommends that …

Why Use IT Earthing System?

Introduction The standard IEC 60364 have used the following nomenclature to specify types of earthing: First letter – Relationship of the power system to earth: T = direct connection of …