| CARBON_ARC | Carbon arc | Carbon arc lamps consist of two carbon rod electrodes in open air, supplied by a current-limiting ballast. | |
| CFL | Compact Fluorescent Light | Fluorescent is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs. | |
| DISCHARGE | Discharge | A discharge lamp has a glass or silica envelope containing two metal electrodes separated by a gas. | |
| FLUORESCENT | Fluorescent | Fluorescent lamps consist of a glass tube that contains mercury vapour or argon under low pressure. | |
| HALOGEN | Halogen | Halogen lamps are incandescent lamps that use a fused quartz envelope filled with halogen gas | X |
| INCANDESCENT | Incandescent | Incandescent light bulb, a heated filament inside a glass envelope | |
| LED | LED | LED lamp, a solid-state lamp that uses light-emitting diodes (LEDs) as the source of light | X |