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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 
kilowatt hour (kWh)
Lights & lighting; Lighting products
The standard measure of electrical energy and the typical billing unit used by electrical utilities for electricity use. A 100-watt lamp operated for 10 hours consumes 1000 ...
laminations
Lights & lighting; Lighting products
Layers of steel, making up the "core" that is surrounded by the coils in a core & coil ballast.
bulb material or coating
Lights & lighting; Lighting products
The type of glass (or quartz) used in the glass envelope surrounding the light source. The material can also have coatings applied to achieve particular performances.
bulb size
Lights & lighting; Lighting products
Bulb shape followed by its size (the maximum diameter of the bulb expressed in eighths of an inch). For Compact Fluorescent products, "S", "D", "T", and "Q" are used to represent ...
candela (cd)
Lights & lighting; Lighting products
The measure of luminous intensity of a source in a given direction. The term has been retained from the early days of lighting when a standard candle of a fixed size and ...
candlepower
Lights & lighting; Lighting products
An obsolete term for luminous intensity; current practice is to refer to this simply as candelas.
candlepower (mean spherical)
Lights & lighting; Lighting products
Initial mean spherical candlepower at the design voltage. Mean spherical candlepower is the generally accepted method of rating the total light output of miniature lamps. To ...
Sub-categories
- Indoor lighting (47)
- Lighting accessories (13)
- Lighting bulbs & tubes (94)
- Lighting products (8932)
- Outdoor lighting (67)
- Portable lighting (9)