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FAQ
Calgary Lighting Products works hard to Serve Your Lighting World with Innovative Solutions. If you have any questions related to LIGHTING, please call us at 1 800-267-2200 or write to us.
Lighting Terms & Lingo
Q. High Intensity Discharge (HID)?
HPS – high pressure sodium,
MV – mercury vapor,
MH – metal halide,
SOX – low pressure sodium.
 All HID lamps require a ballast to start up the lamp with the appropriate voltage and maintain constant current levels.
HID lamps are available on a variety of wattages, sizes, and bases.
General characteristics
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HPS, SOX & MV all have poor color rendition indexes, which means that even though they put out a lot of lumens, it is difficult to see clearly under these lights.
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The light given off is yellow in color
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Metal Halide has a lower lumen output, however, has a much higher color rendition index, which makes it seem much brighter to the human eye.
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The light given off is white in color
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