Section 123(3) in The Indian Electricity Rules, 1956
(3)At every point where flexible cables are joined to main cables, a [circuit breaker] [ Substituted by G.S.R. 466, dated 18.7.1991 (w.e.f. 17.8.1991).] shall be provided which is capable of [automatically] [Substituted by G.S.R. 466, dated 18.7.1991 (w.e.f. 17.8.1991). ] disconnecting the supply from such flexible cables.
