No artificial light shall be permitted in the hold of the vessel, except electric flash lights or electric lanterns or regular electric installation of the vessel. City Code, 1927, art. 15, §59(1st sen.) 1950, art. 11, §61(1st sen.) 1966, art. 10, §60(1st sen.) 1976/83, art. 10, §60(1st sen.) Ord. 13-336