During the loading or unloading of explosives there should be no naked lights or fires on board the ship, nor must artificial lights be allowed at the open hatches or in the hold in which explosives are stowed or within the barricades Provided that-
- this regulation must not prevent the use of a safety lamp of a construction approved by an inspector of explosives nor must this regulation prevent the employment of an artificial light or ship’s signal lights which in the opinion of the port captain are constructed and disposed in such a manner as to prevent any risk of fire or explosion; and
- this regulation must not be held to apply to engine-room fires when the same have been previously carefully banked.
