Incandescent Lamps
Incandescent lamps are the most familiar type of light source with countless
applications. Available in all shapes and sizes, they offer particular
qualities of light to suit specific applications.
In an incandescent lamp, light is generated by heating the filament to
incandescence. The hotter the filament, the more efficient it is in converting
electricity to light. However, when the filament operates hotter, its
life is shortened so the design of each lamp is a balance between efficiency
and life. This is why lamps of equal wattage may have different lumen
ratings and different life ratings.
From March 2009 a new regulation has been adopted in all EU countries:
inefficient non-directional lamps will be phased out gradually from the
EU market starting in September 2009.
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