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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 
mogul base
Lights & lighting; Lighting products
A screw base used on larger lamps, e.g. many HID lamps.
monochromatic light
Lights & lighting; Lighting products
Light with only one wavelength (i.e. color) present.
mounting height
Lights & lighting; Lighting products
Distance from the bottom of the fixture to either the floor or work plane, depending on usage.
nanometer
Lights & lighting; Lighting products
A unit of wavelength equal to one billionth of a meter.
national electric code (NEC)
Lights & lighting; Lighting products
A nationally accepted electrical installation code to reduce the risk of fire, developed by the National Fire Protection Association.
national energy standards for fluorescent ballasts
Lights & lighting; Lighting products
A federal law enacted in 1988 that sets energy standards for ballasts consistent throughout the United States.
national stock number
Lights & lighting; Lighting products
The standardized part number used by the US Government for procurement.
Sub-categories
- Indoor lighting (47)
- Lighting accessories (13)
- Lighting bulbs & tubes (94)
- Lighting products (8932)
- Outdoor lighting (67)
- Portable lighting (9)