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

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

    • BSR/IES RP-8-xx Roadway Lighting
    • BSR/IES RP-16-xx Nomenclature and Definitions for Lighting

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  • 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.

    December 15, 2017: Deadline for abstract submission

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  • IES Webinar Series

    Next Webinar:
    Measuring Lighting in the Field

    November 16th, 12:00 EST
    Did you know the IES has an “official” method to measure light? This webinar will show you a few of the adopted methods for correctly measuring lighting in the field. Participants to this webinar are eligible for one (1) IES Continuing Education Unit (CEU).

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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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  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: LEDs for Outdoor Projects, Colonial Dallas, IES Progress Report, and more...

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  • 2018 IES Illumination Awards

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

    Read More
  • IES Career Center

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

    Read More
  • LEUKOS: Call for Papers on Museum Lighting

    Special Issue: Museum Lighting

    Submissions will be accepted until March 31, 2018

    Read More
  • IES Bookstore

    Digital and Hardcopy Publications

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

    Read More

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IES Lighting Handbook

The IES Lighting Handbook

10th Edition| Reference & Application

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DocuSign Trust Center Incident Update

Due an Adobe DocuSign data breach, some members may have received a suspicious email from Marie Meacham. Do not click the email's hyperlink and promptly delete the message. For more information on this incident please visit www.docusign.com. We advise all Adobe DocuSign users to change their email password and DocuSign account information.

We apologize for the inconvenience.

Thank you,

IES Technical Support.