Section 9(1) in The Merchant Shipping (Cargo Ship Construction And Survey) Rules, 1974
(1)In every ship of less than 1600 tons gross not having its main source of electric power situated above the uppermost continuous deck or raised quarter deck and outside the machinery casings, a self contained emergency source of electric power shall be provided in a position above the machinery casings, arranged as to ensure its functioning in the event of fire or other casualty causing failure of the main electrical installation.
