what's grounding
What is the difference between Bonding, Grounding and Earthing? Grounding means connecting the live part (it means the part which carries current under normal condition) to the earth for example neutral of power transformer. Grounding is done for the protections of power system equipment and to provide an effective return path from the machine to the power source. For example grounding of neutral point of a star connected transformer.Generally Black wire is used for this. Grounding done in the power transmission line for equipment protection from Lightening & Surge.