• 1 IES Research Symposium 2018
    Call for Posters
  • 2 LD+A Latest Issue
  • 3 IES Bookstore
  • 4 IES Career Center
  • 5 LEUKOS: Call for Papers on Museum Lighting
  • 6 2018 IES Illumination Awards
  • 7 IES/ANSI Standards
  • 8 IES Webinar Series
  • 9 SALC Speaker Submissions Now Open
  • 10 IES Manufacturers Directory
  • IES Research Symposium 2018
    Call for Posters

    Researchers and designers actively involved in the study and practice of light and lighting are invited to submit posters describing their work and how human health can be affected as a result.

    January 15, 2018: Deadline for abstract submission

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  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: Transit in Transition, Auditorium Encore, Color Tuning Tests, and more...

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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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  • LEUKOS: Call for Papers on Museum Lighting

    Special Issue: Museum Lighting

    Submissions will be accepted until March 31, 2018

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  • 2018 IES Illumination Awards

    Save the Date. Submissions will be accepted starting on Jan. 2, 2018

    Read More
  • IES/ANSI Standards

    Order IES/ANSI Standards that are open for public review:

    • ANSI/IES RP-8-14 Addendum A
    • BSR/IES LM-88 Approved Method: Optical and Electrical Measurements of AC-LED Packages and Arrays or Modules

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  • IES Webinar Series

    Next Webinar: RP-28 Lighting and the Visual Environment for Seniors and the Low Vision Population

    December 14th, 12:00 EST
    This webinar will provide a brief overview of some of the current research and design practices found in RP-28-16 that can help the aged and partially sighted maintain their quality of life. Participants to this webinar are eligible for one (1) IES Continuing Education Unit (CEU).

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  • SALC Speaker Submissions Now Open

    Submissions for consideration for the 2018 IES SALC Conference in Orlando, FL are now being accepted.

    Read More
  • 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.

    Read More

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IES Lighting Handbook

The IES Lighting Handbook

10th Edition| Reference & Application

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IES Telephones Update

We are currently experiencing issues with our phone system. While we work to rectify this issue, please visit the IES “about us” page to contact staff members via email.

Thank you for you patience.