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Lighting products
Industry: Lights & lighting
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Lighting products
bulb
Lights & lighting; Lighting products
A loose way of referring to a lamp. "Bulb" refers to the outer glass bulb containing the light source.
eye sensitivity
Lights & lighting; Lighting products
A curve depicting the sensitivity of the human eye as a function of wavelength (or color). The peak of human eye sensitivity is in the yellow-green region of the spectrum. The normal curve refers to ...
federal communications commission (FCC)
Lights & lighting; Lighting products
The U. S. Federal agency that regulates emissions in the radio frequency portion of the electromagnetic spectrum. Part 18 of the FCC rules specifies electromagnetic interference (EMI) from lighting ...
field angle
Lights & lighting; Lighting products
The angular dimension of the cone of light from reflectorized lamps (such as R and PAR types) encompassing the central part of the beam out to the angle where the intensity is 10% of maximum (See ...
filament
Lights & lighting; Lighting products
Metal tungsten wire heated by the passage of electrical current, used to emit light in incandescent lamps. In fluorescent lamps the filament is coated with emission mix and emits electrons when ...
filament design
Lights & lighting; Lighting products
Filaments are designated by a letter combination in which C is a coiled wire filament, CC is a coiled wire that is itself wound into a larger coil, and SR is a straight ribbon filament. Numbers ...
filament voltage
Lights & lighting; Lighting products
Filaments are designed to get to operating temperature when an appropriate voltage is applied, e.g. 120 volts or 12 volts in the case of incandescent lamps or MR16 lamps. In certain fluorescent lamps ...
