Luminaire efficiency is a measure of the amount of light emitted by a luminaire compared to the electrical power it…
A luminaire is an electrical lighting device that typically includes a lamp, plus other components such as the reflector, diffuser,…
Lumen depreciation refers to the decrease in light output, or brightness, over time. All light sources experience a gradual decrease…
Lumens measure the total amount of visible light emitted by a light source, be it electric, natural or artificial. Lumens…
A lumen is a unit of measurement used to measure the total amount of visible light emitted by a source.…
LPW stands for Lumens per Watt, which is a measure of the efficiency of a light source. It is used…
Low voltage lighting is a type of electrical lighting that runs on a low voltage direct current (DC) power source,…
A Louver is a type of light fixture with slatted or curved surfaces that allow light to pass through in…
The light loss factor (LLF) is a measure of how much light is lost when passing through different materials. It…
Light Emitting Plasma (LEP) is a type of solid-state lighting technology that uses an electric charge to generate light. It…