Nov 14, 2016

ANSI ApprovedThe IES defines illumination engineering terms in ANSI/IES LS-1-22, is available here online. You can search terms by their first letter using the categories listed in the Categories window, by the first letter of the term in the alphabetical list below, or by typing the term in the search window. You can find the Introduction material for LS-1-22 on these pages:

  Copyright, Disclaimer, and American National Standards Statement

  Foreword, Nomenclature Committee members, Introduction, and Scope

  Spectral Parameters Used in Illumination Engineering

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