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	Search   Advanced Search       Popular Searches: Buzzers Cable Fishing Fan Boxes Fish Tape Shatterproof Lamps Tool Kit         On-Line Tools: Engineering Wire & Cable Hazardous Locations Home Automation Codes Standards More...         Feature Stories: Pre-Wired Devices Boost Installation Productivity What is Residential Scene Control? Changing Commercial Lighting Requirements More...         Manufacturer Links: Search Mfg's by Product, keyword or Name Link to Spec Sheets, Catalogs, MSDS, Travel Directions	Check out Rich-Media Product Video Demos from companies like: Appleton Electric, Knipex, CRC Industries, Inc., and more >> New for February 2010 >> Includes products from   Demystifying Commercial Lighting Terms Peter Walsh, PE Lighting terminology can be challenging if it's unfamiliar. Some terms are old and well known; some are relatively new. For instance, lighting fixtures were renamed several years ago to luminaires. This was only a name change. Other terms are less obvious. CRI refers to Color Rendering Index. It's a measure of how accurately an artificial light source displays colors. For instance, a pumpkin pie looks orange illuminated by sunlight or an incandescent light. Read More>>> See all current stories>>>