29. Construction, installation, protection, operation and maintenance of electric supply lines and apparatus .- [(1) All electric supply lines and apparatus shall be of sufficient ratings for power, insulation and estimated fault current and of sufficient mechanical strength, for the duty which they may be required to perform under the environmental conditions of installation, and shall be constructed, installed, protected, worked and maintained in such a manner as to ensure safety of [human beings, animals and property].]
(2)[ Save as otherwise provided in these rules, the relevant Code of Practice of the [Bureau of Indian Standards] [Inserted by G.S.R. 522, dated 17.3.1970. ], [including National Electrical Code] [ Inserted by G.S.R. 358, dated 30.4.1987 (w.e.f. 9.5.1987).][if any, may be followed to carry out the purposes of this rule and in the event of any inconsistency, the provisions of these rules shall prevail.] [Inserted by G.S.R. 522, dated 17.3.1970. ](3)[ The material and apparatus used shall conform to the relevant specifications of the [Bureau of Indian Standards] [ Substituted by G.S.R. 170, dated 15.1.1979 (w.e.f. 3.2.1979).][where such specifications have already been laid down.] [ Substituted by G.S.R. 170, dated 15.1.1979 (w.e.f. 3.2.1979).]
