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

    Lighting Knowledge on your phone with the tap of your fingers.
    Free to download.
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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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  • IES Webinar Series

    Next Webinar: Maintenance in the LED Era

    September 20th, 12:00 EDT
    Humans see visible light; plants perceive and respond to electromagnetic radiation. Horticultural lighting design is a fascinating and ongoing discussion between lighting designers, luminaire manufacturers, horticulturists, and floriculturists. Participants to this webinar are eligible for one (1) IES Continuing Education Unit (CEU).

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  • Roadway Lighting Committee Meeting

    October 3-5, 2018 | Orlando, Florida

    The IES RLC meetings are a great opportunity for outdoor lighting professionals to meet, network and cooperate to develop lighting standards.

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  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: Step Lively: Color adds pop to a pedestrian bridge, Esplanade Excels, Charlotte's Crown, Lighting's Effect on Wildlife, and more...

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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 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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  • 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

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