§ 80.864   Emergency electric lights.

   (a) Emergency electric light(s) must be installed to illuminate the
   operating controls of the radiotelephone installation at the principal
   operating position, the card of instructions, and the radiotelephone
   station clock if the latter is not self-illuminated.

   (b) The emergency electric light(s) must be energized from the reserve
   power supply, if a reserve power supply is required. In cases where a
   reserve power supply is not required, the emergency lights must be
   energized independently of the system which supplies the normal
   lighting.

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