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	Search   Advanced Search       Popular Searches: Fire Alarms Gfci Circuit Breakers Hid Lamps Led Controls Pin And Sleeve Connectors Variable Speed Drives         On-Line Tools: Enclosures Agencies Lighting Training & Education Transformers More...         Feature Stories: Potawatomi Casino Hits the Jackpot with Cablofil Wire Mesh Tray Self-grounding Interlocked Armored Cable Offers Faster, Safer Installation for Branch Circuits Riser Cable Can Save Labor Costs Over Conventional Wire in Conduit 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: CRC Industries, Inc., Knipex, Capri Lighting, 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>>>