Underwriters Laboratories - Luminaire -- http://www.ul.com/regulators/luminaries.pdf
Marking guide indexed by both type and subject matter. (pdf)
Home Lighting Magazine -- http://www.homelighting.com/
Trade magazine for the decorative lighting industry with product search and article archive.
Howstuffworks -- http://www.howstuffworks.com/question236.htm
Article: Are fluorescent bulbs really more efficient than normal light bulbs?
Lighting Facts -- http://www.lightingfacts.com/
Photographs and descriptions of different styles of fixtures and bulbs, as well as cleaning tips, wiring diagrams, and suggestions for how to light a room.
Garden Guide - Lighten Up -- http://www.gardenguides.com/articles/lightenup.htm
Article on installing low voltage outdoor lighting.
Change A Light, Change the World -- http://www.energystar.gov/index.cfm?c=lighting.pr_lighting
Energy star guide on the considerations, benefits, and tips for upgrading to more efficient products.
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