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Lighting products
Industry: Lights & lighting
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Lighting products
atmosphere
Lights & lighting; Lighting products
This field designates the type of gas or vacuum filling a volume or chamber of the lamp. This chamber might contain a filament or it might refer to the bulb which contains the arc tube.
auto rest shutdown circuit
Lights & lighting; Lighting products
Circuit senses lamp end life and will automatically shut off power to the lamp(s). When a new lamp is inserted in the socket, the ballast resets, and turns on the lamp automatically. Some shutdown ...
ballast
Lights & lighting; Lighting products
An auxiliary piece of equipment required to start and to properly control the flow of current to gas discharge light sources such as fluorescent and high intensity discharge (HID) lamps. Typically, ...
ballast efficacy factor (BEF)
Lights & lighting; Lighting products
Defined as ballast factor divided by input watts. The value is used to evaluate various lighting systems based on light output and power input. The BEF can only be used to compare systems operating ...
ballast factor (BF)
Lights & lighting; Lighting products
This is the percentage of a lamp's rated lumen output that can be expected when operated on a specific, commercially available ballast. Note that the "rated output" is sometimes measured on a ...
ballast hum
Lights & lighting; Lighting products
Sound generated by the vibration of laminations in the iron core of the transformer or inductor present in the ballast.
ballast losses
Lights & lighting; Lighting products
Power or energy dissipated in the ballast as heat and not converted to lamp energy.
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