Regulation 359(1) The manager of a mine shall ensure that(a) electrical equipment and conductors in the mine are sufficient in size and strength for the purpose for which they are intended and are selected, arranged, installed, protected, worked and maintained in a manner that prevents danger as far as is reasonably practicable; and(b) a person does not operate an electrical equipment, in the mine unless that person has been instructed in the use of that equipment and that person has been duly authorized to use the equipment.(2) A person who operates a portable electrical machine in a mine shall(a) carefully inspect the machine and the flexible cable attached to the machine prior to operating the machine;(b) on observing any defect has been rectified; and (c) ensure that the electric current is cut off from the flexible cable and machine before leaving the workplace.(3) The engineering manager of a mine shall take the steps that are necessary to ensure that in the mine (a) the current is switched off from all conductors and equipment which are not in use;(b) work is not undertaken on any live conductor or live part of equipment;(c) where an equipment to be worked on is required to be live for the purpose of examination, adjustment, testing, repair or other work, the work may only be undertaken by a person(i) duly authorized to do that work, and(ii) using the appropriate tools and protective equipment;(d) an insulating material is used only if that material is suitable for the purpose for which it is used;(e) provision is made to confine safely oil or other fluid which may escape from electrical equipment; and(f) as far as is practicable, a metal ladder or a ladder with metal reinforced tiles is used for examination, repair or other work on an electrical equipment or for work which requires a dangerous approach.