circuit main earth definition
circuit main earth means anyearth, whether portable or integral with the equipment, which is applied prior to the issue of a “permit to work”;
circuit main earth means an earthing arrangement in a station or sub-station. But this is to be used under the instructions/supervision of the authorized Person before the issue of „Permit to Work‟ or „Sanction for test‟.
circuit main earth means earthing equipment of an approved type, applied before the issue of, and at a position recorded in a safety document;