Definitions for "LPW"
Lumens Per Watt. The amount of lumens per watt. This tells you how efficient a bulb is.
Lumens Per Watt. A measure of the efficiency of a light source, equal to the lumens produced, divided by the power (watts). For example, a 100-watt lamp producing 1750 lumens yields 17.5 lumens per watt.
Lumens Per Watt. The ratio of the amount of light provided to the energy (watts) used to produce the light; measurement of the bulb's efficacy.
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