- 行业: Energy
- Number of terms: 8202
- Number of blossaries: 3
- Company Profile:
American conglomerate currently ranked by Forbes as the world's largest company. GE has multifarious business interests including power generation and financial services.
A popular term referring to a light source emitting mostly near UV (320 to 400 nm) and very little visible light.
Industry:Lights & lighting
A hot body with an incandescent black surface at a certain temperature used as a standard for comparison. Note that a black surface is the best radiator possible. A tungsten filament will emit slightly less radiation than a blackbody at the same temperature.
Industry:Lights & lighting
Whether or not the top of the miniature lamp has a blacktop coating. The coating is used to control unwanted brightness or glare.
Industry:Lights & lighting
A short, thick post with a light at its top, used for grounds and outdoor walkway lighting.
Industry:Lights & lighting
(LFL plug-in ballasts) A configuration with leads or a wire-trap on the bottom or base of the ballast. This type of configuration is usually used when the ballast is mounted onto a junction box plate.
Industry:Lights & lighting
(LFL plug-in ballasts) A configuration with screw studs mounted on the base plate or bottom of the ballast. The screws are 3/8" inches long with a #8-32 thread size (#8-32 nut). They are mounted on a two inch center. The studs are usually used to mount the ballast directly onto a junction box plate.
Industry:Lights & lighting
Brightness can refer to any of several technical terms used in lighting and is, therefore, ambiguous (See LUMINANCE).
Industry:Lights & lighting
A loose way of referring to a lamp. "Bulb" refers to the outer glass bulb containing the light source.
Industry:Lights & lighting
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.
Industry:Lights & lighting
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 Single, Double, Triple and Quad Biax® sizes. The code also includes a reference such as T4 to represent the size of the tube. Rectangular headlamps are designated as "Rect" and the number of millimeters horizontally.
Industry:Lights & lighting
