T4291 Light bulb lamp type code

Code value Name Description Used in Sweden
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
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