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Lights & lighting
Any device used for illumination, either for practical use or deliberate aesthetic effect.
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Lights & lighting > Lighting products 
parallel lamp operation
Lights & lighting; Lighting products
Refers to ballasts that employ multiple output current paths from a single ballast to allow lamps to operate independent of one another, allowing other lamps operated by the ...
polychlorinated biphenyls (PCB)
Lights & lighting; Lighting products
Chemical pollutant formerly used in ballast capacitors that were part of ballasts. It is now illegal to use PCB's and most such ballasts have been replaced over time.
lighting
Cinema; Filmmaking
Equipment in a home, workplace, studio, theater, or street for producing light. "The heartless glare of strip lighting". The arrangement or effect of lights." "The lighting was ...
40- & 60-watt bulbs
Lights & lighting; Lighting products
The 40- & 60-watt bulbs are traditional incandescent light bulbs that have been used for over a hundred years throughout the world as a primary light source. These bulbs produce ...
ChromaFit
Lights & lighting; Lighting products
A GE brand name for metal halide lamps designed to operate on HPS ballasts, allowing a user to switch from the yellowish color of HPS to the white color of metal halide without ...
scotopic photopic (S P) ratio
Lights & lighting; Lighting products
This measurement accounts for the fact that of the two light sensors in the retina, rods are more sensitive to blue light (scotopic vision) and cones to yellow light (photopic ...
spot
Lights & lighting; Lighting products
A colloquial term referring to a reflector lamp with a tight beam of light, typically around 10 degrees or less. It comes from the fact that such a lamp produces a narrow spot of ...
Sub-categories
- Indoor lighting (47)
- Lighting accessories (13)
- Lighting bulbs & tubes (94)
- Lighting products (8932)
- Outdoor lighting (67)
- Portable lighting (9)