Section 123(5) in The Indian Electricity Rules, 1956
(5)[ If the voltage of the circuit exceeds low voltage, all flexible cables attached to any transportable apparatus shall be provided with flexible metallic screening or pliable armouring and cables of portable apparatus shall be provided with flexible metallic screening on all the power and pilot cores:Provided that the provision of this sub-rule shall not apply to flexible cables attached to any transportable apparatus used in open cast mines where reeling and unreeling of such cables is necessary as per design features of the equipment.] [ Substituted by G.S.R. 274, dated 10.7.2002 (w.e.f. 20.7.2002).]
