The ceramic discharge metal-halide
(CDM) lamp, often referred to as Ceramic Metal Halide lamp (CMH) or
Light Emitting Ceramic (LEC), is a source of light that is a type
of metal-halide lamp which is ****0% more efficient than the
traditional quartz metal halide and produces a superior color
rendition (****6 CRI). CDM lamps use one fifth of the
power of comparable tungsten incandescent light bulbs for the same
light output (****7 lm/W) and retain color stability better than
most other gas discharge lamps. Like other high-intensity discharge
lamps, they require correctly rated electrical ballast in order to
operate. This relatively new light source,
touted for being compact, efficient, and powerful, is part of
the high-intensity discharge (HID) lighting category,
which offers the highest efficacy and longest life of any
lighting type, and saves up to *0% of lighting energy when they
replace incandescent lamps
