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  • 1 Job Opening: Lighting Education Development Specialist
  • 2 IES Ready Reference App
  • 3 IES Webinar Series
  • 4 LD+A Latest Issue
  • 5 Lighting Workshop Report
  • 6 IES Manufacturers Directory
  • 7 IES Career Center
  • 8 IES Bookstore
  • Job Opening: Lighting Education Development Specialist

    In an effort to even further our dedication towards lighting education, the IES is now seeking applicants for a Lighting Education Development Specialist position.
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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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  • IES Webinar Series

    Next Webinar: Solving LED Dimming Issues in Retrofit Projects

    October 18th, 12:00 ET
    LEDs are the go to light source for the replacement of existing lamps and luminaires providing a significant reduction in energy and an extended lifespan. The session walks through dimming expectations for LEDs vs. incandescent such as dimming floor, color temperature, and linearity; the most common problems with LED dimming such as power line noise and how to address them. Webinar participants are eligible for one (1) IES Continuing Education Unit (CEU).

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  • LD+A Latest Issue

    The magazine of the Illuminating Engineering Society

    In This Issue: Light & Wellness; Prescribe with Care, The Designer-Client Dialogue, LRC's Lighting Interventions, Circadian Survey Results, and more...

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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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