Section 9(3) in The Merchant Shipping (Cargo Ship Construction And Survey) Rules, 1974
(3)In every such ship-(a)the emergency source of electric power required under sub-rule (1) shall be either accumulator (storage) batteries capable of complying with the requirements of sub-rule (2) without being recharged or suffering an excessive voltage drop or it shall be a generator driven by internal combustion type machinery with an independent fuel supply and with efficient starting arrangements and the fuel provided-for such machinery shall have flash point of not less than 43°C;(b)the emergency source of electric power shall be so arranged that it will operate efficiently when the ship is listed 22-1/2 degrees and when the trim of the ship is 10 degrees from an even keel;(c)provision shall be made for the periodical testing of the emergency source of electric power and its associated circuits.
