Recommended Practice: Supporting the Physiological and Behavioral Effects of Lighting in Interior Daytime Environments
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ANSI/IES RP-46-25
Document Type: Recommended Practice (RP)
Available as a downloadable secure PDF only.
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Product Description
Intended Audience: Lighting practitioners, architects, engineers, general public.
Intended Interest Categories: Specifier (US), Affected (UA), Public Interest (UP), Academic, Research (GAR), Government, Regulatory (GGR), General SME (GSME), Organizational (OM).
Description: This Recommended Practice (RP) is the implementation companion to IES TM-18-18 Light and Human Health: An Overview of the Impact of Optical Radiation on Visual,Circadian, Neuroendocrine, and Neurobehavioral Responses in that it provides recommendations for translation of the basic science of how light affects visual, circadian, neuroendocrine, and neurobehavioral responses in daytime interior environments, such as those found in schools and offices. This update incorporates Melanopic EDI Exposure Recommendations, as well as some Errata & Addenda content.
Page count: 66 pages
Publisher: Illuminating Engineering Society (2025)
SKU: ANSI/IES RP-46-25
ISBN-13: 978-0-87995-503-8
Previous edition: RP-46-23
Chapters:
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- 1.0 Introduction and Scope
- 2.0 Definitions
- 3.0 Circadian, Neuroendocrine and Neurobehavioral Responses to Light
- 4.0 Measurement of Light for Physiological Responses
- 5.0 Lighting to Enhance Circadian Entrainment, Alertness, and Performance In Daytime Environments
- Annex A – Metrics and Models
- Annex B – Scientific Background
Citation Format:
Illuminating Engineering Society. ANSI/IES RP-46-25, Recommended Practice: Supporting the Physiological and Behavioral Effects of Lighting in Interior Daytime Environments. New York: IES; 2025.