1. Subject to such special arrangements as may
be permitted in passenger ships, sleeping rooms and mess rooms shall
be properly lighted by natural light and shall be provided with adequate
artificial light.
2. All crew spaces shall be adequately lighted.
The minimum standard for natural lighting in living rooms shall be
such as to permit a person with a normal vision to read on a clear
day an ordinary newspaper in any part of the space available for free
movement. When it is not possible to provide adequate natural lighting,
artificial lighting of the above minimum standard shall be provided.
3. In all ships electric lights shall be provided
in the crew accommodation. If there are not two independent sources
of electricity for lighting, additional lighting shall be provided
by properly constructed lamps or lighting apparatus for emergency
use.
4. Artificial lighting shall be so disposed as
to give the maximum benefit to the occupants of the room.
5. In sleeping rooms an electric reading lamp
shall be installed at the head of each berth.