Multifaceted reflector | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-02

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Multifaceted_reflector


00:01:15 1 History
00:02:03 2 Characteristics
00:02:13 2.1 Design and construction
00:03:00 2.2 Dichroic reflectors
00:03:47 2.3 Operation
00:06:16 3 Variations
00:07:54 3.1 Alternatives
00:10:24 4 Advantages
00:11:26 5 Disadvantages
00:12:19 6 ANSI designations
00:13:15 7 See also



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SUMMARY
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A multifaceted reflector (often abbreviated MR) light bulb is a reflector housing format for halogen as well as some LED and fluorescent lamps.  MR lamps were originally designed for use in slide projectors, but see use in residential lighting and retail lighting as well. They are suited to applications that require directional lighting such as track lighting, recessed ceiling lights, desk lamps, pendant fixtures, landscape lighting, retail display lighting, and bicycle headlights. MR lamps are designated by symbols such as MR16 where the diameter is represented by numerals indicating units of eighths of an inch. Common sizes for general lighting are MR16 (16⁄8 inches, 51 mm) and MR11 (11⁄8 inches, 35 mm), with MR20 (20⁄8 inches, 64 mm) and MR8 (8⁄8 inch, 25 mm) used in specialty  applications.  Many run on low voltage rather than mains voltage alternating current so requiring a power supply.