Hull Construction Regulations

157 Where an ‘A’ Class division or ‘B’ Class division is penetrated for the passage of electrical cables, pipes, trunks or ducts or for the fitting of ventilation terminals, lighting fixtures or similar devices, arrangements shall be made to ensure that the fire resistance of the division is not thereby impaired and that such devices comply with the requirements of Schedule D to TP 2237, Equivalent Standards for Fire Protection of Passenger Ships, published in 1979 by the Ship Safety Branch of the Department of Transport.