Ensuring optimal visibility on roadways, pedestrian pathways, and public spaces to reduce accidents.
: Public realm fixtures must feature a Light Output Ratio (LOR) that directs 100% of light downward, eliminating the upward waste that causes urban sky glow.
didn’t just want better bulbs; they wanted a new aesthetic. The goal was to bring the city's daytime beauty—its architecture and landscaping—into the night with clarity. They introduced LED technology
Note: Values vary by sub-zone; always refer to the latest PR 402 tables. pr 402- abu dhabi lighting manual
Before PR 402, lighting projects in Abu Dhabi often suffered from inconsistent illumination, excessive energy use, and light pollution. The manual was introduced to:
The PR 402: Abu Dhabi Lighting Manual offers several benefits to building owners, developers, and lighting designers, including:
: Must possess a minimum rating of IP66 to prevent dust and moisture ingress. The goal was to bring the city's daytime
To protect the desert ecosystem and astronomical observations, PR 402 enforces strict rules against upward light output. Fixtures must feature an Upward Light Output Ratio (ULOR) of 0%, meaning no light is emitted above the horizontal plane. Shielding and precise optics are required to eliminate light trespass into adjacent residential windows. Smart Control Systems
To summarize the scope, key requirements, and recommended actions for compliance with PR 402 (Abu Dhabi lighting standards) for building lighting design, energy efficiency, and occupant comfort.
The is a comprehensive technical document issued by the Abu Dhabi Department of Municipalities and Transport (DMT) to regulate the design, installation, and maintenance of public lighting across the Emirate. Its primary goal is to ensure a safe, sustainable, and aesthetically pleasing night-time environment by standardising lighting requirements for roadways, parking areas, and other public spaces. Purpose and Scope The manual was introduced to: The PR 402:
Choose an approved LED luminaire from the ADM’s “Registered Products List” (RPL). PR 402 does not allow unverified Chinese or generic products. Required photometric files must be in EULUMDAT (.ldt) or IES format.
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Staying ahead of these updates is critical for any lighting professional operating in the region.
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