| 2/00 | Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L 27/00) |
| 4/00 | Electric lighting devices with self-contained electric batteries or cells |
| 4/02 | Electric lighting devices with self-contained electric batteries or cells characterised by provision of two or more light sources |
| 4/04 | Electric lighting devices with self-contained electric batteries or cells characterised by provision of a light source housing portion adjustably fixed to the remainder of the device |
| 4/06 | Electric lighting devices with self-contained electric batteries or cells with light source coupled to the remainder of the device solely by cable |
| 4/08 | Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells |
| 13/00 | Electric lighting devices with built-in electric generators (with solar cells F21L 4/00) |
| 13/02 | Electric lighting devices with built-in electric generators (with solar cells F21L 4/00) with fluid drive |
| 13/04 | Electric lighting devices with built-in electric generators (with solar cells F21L 4/00) with fluid drive actuated by hand |
| 13/06 | Electric lighting devices with built-in electric generators (with solar cells F21L 4/00) with mechanical drive, e.g. spring |
| 13/08 | Electric lighting devices with built-in electric generators (with solar cells F21L 4/00) with mechanical drive, e.g. spring by reciprocating pusher actuated by hand |
| 14/00 | Electric lighting devices without a self-contained power source, e.g. for mains connection |
| 14/02 | Electric lighting devices without a self-contained power source, e.g. for mains connection capable of hand-held use, e.g. inspection lamps |
| 14/04 | Electric lighting devices without a self-contained power source, e.g. for mains connection carried on wheeled supports |
| 17/00 | Non-electric torches; Non-electric flares |
| 19/00 | Lanterns, e.g. hurricane lamps or candle lamps (candle holders F21V 35/00) |
| 21/00 | Non-electric pocket-lamps, e.g. lamps producing sparks |
| 23/00 | Non-electric hand-lamps for miners |
| 26/00 | Non-electric portable lighting devices, or systems thereof, not provided for in groups F21L 17/00-F21L 23/00 |
| 27/00 | Lighting devices or systems, employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa in lighting devices or systems |