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  • 1 Annual Conference Register Now
  • 2 Street and Area Lighting Conference Register Now
  • 3 Annual IESALC Technology Meeting
  • 4 Lighting Workshop Report
  • 5 IES Webinar Series
  • 6 IES Manufacturers Directory
  • 7 LD+A Latest Issue
  • 8 IES Career Center
  • 9 IES Bookstore
  • Annual Conference Register Now

    Register now for lowest pricing

    August 9-11 | Boston
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  • Street and Area Lighting Conference Register Now

    September 30 – October 3

    Hyatt Regency Orlando | 9801 International Drive | Orlando, FL

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  • Annual IESALC Technology Meeting

    IES Aviation Lighting Committee Meeting

    September 30 – October 4, 2018 at Marriott New Orleans

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  • Lighting Workshop Report

    Illuminating Engineering Society and Rensselaer Polytechnic Institute Center for Lighting Enabled Systems and Applications Release Workshop Report on Lighting Systems for Healthcare Environments

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  • IES Webinar Series

    Next Webinar: Maintenance in the LED Era

    August 16th, 12:00 EDT
    Rather than being maintenance free, LED requires a change in maintenance practices more akin to stewardship than reactive replacement. Based on RP-36 and other information, this joint IES-NALMCO webinar will provide an overview of effective maintenance practices for indoor and outdoor LED lighting and control systems. 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: Civic Scenery: San Francisco City Hall, LIGHTFAIR Review, and more...

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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 Bookstore

    Digital and Hardcopy Publications

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

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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.