5 Terms
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Lighting products
Industry: Lights & lighting
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Lighting products
High intensity discharge (HID) lamp
Lights & lighting; Lighting products
A general term for mercury, metal halide (GE ConstantColor® CMH®, Multi-Vapor®, MXR or Arcstream®) and high-pressure sodium (GE Lucalox®) lamps. HID lamps contain compact arc tubes which enclose ...
System
Lights & lighting; Lighting products
A term referring to the lamp and ballast combination, and sometimes to the entire lighting delivery system including the fixture, the optics, the particular layout and the lighting controls.
Task lighting
Lights & lighting; Lighting products
Supplemental lighting provided to assist in performing a localised task, e.g. a table lamp for reading or an inspection lamp for fabric inspection.
Two-pin compact fluorescent lamps
Lights & lighting; Lighting products
Type of lamps that have the glow bottle starter built into the base of the lamp. Traditionally 2-pin lamps are designed to work with electromagnetic ballasts.
Terminal to terminal starting lamp voltage (VRMS) (minimum or maximum)
Lights & lighting; Lighting products
The minimum or maximum allowed voltage allowed into lamp from ballast under varying conditions as specified.
Ultra
Lights & lighting; Lighting products
A common way of referring to high efficiency GE T8 family of lamps that perform better than standard T8 lamps. Also refers to the system.
Total harmonic distortion (THD)
Lights & lighting; Lighting products
A measure of the distortion of the input current on alternating current (AC) power systems caused by higher order harmonics of the fundamental frequency (60Hz in North America). THD is expressed in ...
