Earthing Purpose
The purpose of earthing is to ensure that, in general, all parts of apparatus other than live parts, shall be at earth potential l, as well as to ensure that operators an attendants shall be at earth potential at all times. alcohol by providing such an earth surface of uniform potential under and surrounding the station, there exist no difference of potential in a short distance big enough to shock or injure an attendant when short - circuit or other abnormal occurrences take place. the recommendation in this code are made in order that these objects may be carried out.