| Lighting Industry Links |
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Energy Links |
| DOE: Building Energy Codes |
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Illinois Incentives for Renewables and Efficiency |
| Illuminating Engineering Society (IES) |
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Juno Lighting Group Energy Plus Calculator |
| International Association of Lighting Designers (IALD) |
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Sylvania EPAct 2005 Interactive Calculator |
| International Dark Sky Association |
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H.E. Williams Payback Calculator
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| LEED U.S. Green Building Council |
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| National Association of Electrical Distributors (NAED) |
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| Lighting Research Center (LRC) |
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| National Council on Qualifications for the Lighting Professions |
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