Section 116(3) in The Indian Electricity Rules, 1956
(3)The effectiveness of the switchgear and the protective system shall always be kept and maintained in working order, shall be checked once every three months and the result thereof shall be recorded in a separate register kept for the purpose.] [Substituted by G.S.R. 1723, dated 21.11.1977 (w.e.f. 31.12.1977). ]
