The Collaborative International Dictionary of English v.0.48:

Electrical light \Electrical light\,
   1. the light produced by a current of electricity which in
      passing through a resisting medium heats it to
      incandescence or burns it. See under Carbon.
      [1913 Webster]

   2. a lamp whose light is produced by passing an electric
      current through a light bulb, especially an incandescent
      lamp.
      [PJC]