Maritime Occupational Health and Safety Regulations
(2) Subject to any special arrangements that may be permitted in passenger vessels, sleeping quarters and mess rooms must be illuminated by natural light and provided with adequate artificial light.
(3) Emergency lighting must, in the event of the failure of the main electric lighting, provide sufficient illumination to allow the crew to safely exit from confined spaces and proceed through passageways and stairways to the open deck.
(4) The lighting levels must meet one of the following standards:
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