ANSI/IES LS-1-20, Lighting Science: Nomenclature and Definitions for Illuminating Engineering

Approved American National StandardThe IES defines illumination engineering terms in ANSI/IES LS-1-20, which replaces ANSI/IES RP-16-17 and 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-1-20 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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Category: All Categories [10.0] Interior Lighting Applications [11.0] Exterior Lighting Applications [12.0] Nonlighting Applications of Radiant Power [13.0] Lighting Controls [2.0] Electromagnetic Radiation [3.0] Light [4.0] Color [5.0] Visual Terms [6.0] Light Sources [7.0] Surfaces and Media for Light Control [8.0] Testing Procedures [9.0] Lighting Calculations [A] Annexes [T] Tables

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