Abstract
This chapter contains the types of grounding systems, single ground rod, single strip end connected, single strip center connected, radial grounding, single radials, equipotential mesh electrodes, radial grounding, multiple radials, and grid electrodes grid with ground rods, ring electrode, and grounding chain. It contains also the method of calculating single grounding electrode system resistance, length/depth of the ground electrode, diameter of the ground electrode and number of ground electrodes to obtain the required grounding system resistance. The chapter contains the grounding nomograph, example worksheet using nomograph, design of multiple grounding electrode in straight line and ring systems, examples layout and graph, multiple grounding electrode system are presented. It contains also calculating methods of multiple grounding electrode system resistance of different configurations. Color code technique to calculate the design parameters of the grounding rods is also presented.
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