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: Pedestrian-oriented illumination recommendations for the reassurance, safety, comfort, amenity, and enjoyment of people in outdoor environments in lighting zones LZ-1 through LZ-4.
This updated standard includes content from LP-2 Designing Quality Lighting and LP-11 Environmental Outdoor Lighting, for one comprehensive standard for exterior lighting. New content will include re-defined Lighting Zones, color, controls and glare metrics.
Page count: 103 pages
Publisher: Illuminating Engineering Society (2025)
SKU: ANSI/IES RP-43-25
ISBN-13:978-0-87995-501-4
Previous edition: RP-43-22
Chapters:
- 1.0 Introduction and Scope
- 2.0 Pedestrian Considerations
- 3.0 Visual Considerations
- 4.0 Environmental Considerations
- 5.0 Five Principles for Responsible Outdoor Lighting
- 6.0 Community Planning
- 7.0 Lighting Zones
- 8.0 Outdoor Lighting Design Process
- Annex A – Illuminance Recommendations
- Annex B – Lighting Zone Summary and Scaling Background
- Annex C – Additional Discussion of Glare in the Context of Outdoor Applications
- Annex D – Temporal Light Modulation (a.k.a. Flicker)
Citation Format:
Illuminating Engineering Society. ANSI/IES RP-43-25, Recommended Practice: Lighting Design for Outdoor Pedestrian Applications. New York: IES; 2025.



