Background Information
http://en.wikipedia.org/wiki/Metal_halide_lamp
http://en.wikipedia.org/wiki/Color_temperature
http://en.wikipedia.org/wiki/Ballast_%28electrical%29
http://en.wikipedia.org/wiki/Light-emitting_diode
RPI LED Research Website
http://www.lrc.rpi.edu/education/outreachEducation/ledinstitute.asp
Suppliers
Mechanical
SMC Metal, 95 Mt. Read Blvd., Rochester, NY 14611
Electrical
LED Providers
Codes and Standards
IEEE
http://library.rit.edu/electronic/xplore/xplore.html
UL
OSHA
http://www.osha.gov/pls/oshaweb/searchresults.category?p_text=standards&p_title=&p_status=CURRENT
ASME