Related terms:
lm
cri
cfls
lamp
lumens
wattage
flicker
ballast
phosphor
filament
light bulb
light bulbs
light emitted
incandescent
lumens per watt
fluorescent bulbs
fluorescent lamp
incandescent bulbs
incandescent lamps
luminous efficiency
color rendering index
compact fluorescent lamp
Wikipedia sources:
Luminous efficacy
Incandescent light bulb
Light-emitting diode
Fluorescent lamp
Compact fluorescent lamp
Context for words:
luminous
efficacy
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