• 1 IES 2019 Annual Conference
  • 2 IES Bookstore
  • 3 IES Career Center
  • 4 IES Ready Reference App
  • 5 2019 IES Street & Area Lighting Conference
  • 6 IES Manufacturers Directory
  • 7 2019 Illumination Awards
  • 8 LD+A Latest Issue
  • 9 IES Webinar Series
  • 10 Annual Conference Call for Speakers
  • IES 2019 Annual Conference

    August 8-10, 2019
    Omni Louisville Hotel
    Louisville, KY
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  • IES Bookstore

    Digital and Hardcopy Publications

    Browse the latest standards and documents in electronic format from The Lighting Authority.

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  • IES Career Center

    IES Career Center offers professional services to help you build and manage your career for maximum potential for success.

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  • IES Ready Reference App

    Lighting Knowledge on your phone with the tap of your fingers.
    Free to download.
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  • 2019 IES Street & Area Lighting Conference

    September 22-25, 2019
    Sheraton San Diego Hotel & Marina
    San DIego, CA
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  • IES Manufacturers Directory

    The IES Manufacturers Directory of the Lighting Industry is the database dedicated to lighting professionals, helping them find the products & services they need.

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  • 2019 Illumination Awards

    Submissions Now Open for the 2019 IA Awards.
    Read More
  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: Setting The Table: The Secret Recipe for Restaurant Lighting, Hotel Goes Custom, A Return to the '40s, Game On in Atlanta, and more...

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  • IES Webinar Series

    Next Webinar: Introduction to Visible Light Disinfection

    January 17th, 12:00 ET
    Bacterial infections are pervasive, costly and deadly. Today, and every day in the United States, over 270 people will die from a Healthcare Acquired Infection. And it seems like every day, there’s another foodborne illness outbreak, another multimillion-dollar food product recall, another alarm about antibiotic resistant infections. One valuable new tool in the battle against the risks of infection is Visible Light Disinfection. This seminar will help you understand this new technology, how mainstream customers are using it today, and what you need to know to speak about it intelligently. Webinar participants are eligible for one (1) IES Continuing Education Unit (CEU).

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  • Annual Conference Call for Speakers

    We invite you to submit your presentation ideas, particularly drawing from the interpretations of the theme Light.Affect / Light.Effect, that deliver unique educational stimulus and relevant experiences for attendees.
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IES Lighting Handbook

The IES Lighting Handbook

10th Edition| Reference & Application

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IES Website Scheduled Maintenance

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