Technical guides, industry standards, product selection, lighting design and project analysis.
Selection Know-how
The seven ways a linear fixture can join a building: roof line, floor band, mullion reveal, grille, stone facade, entrance and tower crown - each with the mounting detail and the project that proves it.
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Selection Know-how
Guardrail-mounted luminaires sit at driver eye level, so glare becomes an optical problem rather than a matter of aiming. Photometry, mounting geometry and installation records from the 603 m Fujiang Bridge.
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Selection Know-how
DMX512 vs DALI vs 0-10V — Choosing the Right Control Protocol Three control protocols, three very different use cases — and how to choose before it costs you money. Category:Control SystemsUpdated:Apr 20,2026Read:8 min Print Three control protocols, three very different use cases. The wrong choice costs money, limits functionality and creates integration problems that are […]
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Selection Know-how
How to zone hotel facade lighting to keep guest windows dark: spandrel grazing cutoff, 32 mm curtain-wall cavity mounting and late-night curfew control.
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Selection Know-how
A practical engineering guide to selecting LED wall washers by facade finish, setback, optics, bracket design, beam overlap, voltage, control and field testing.
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Selection Know-how
IP65 vs IP66 vs IP67 vs IP68: Which Rating Do LED Wall Washers Need? An engineering guide to selecting water-ingress protection for outdoor architectural lighting. Category:IP RatingUpdated:Oct 4,2026Read:11 min Print Match the tested protection to the exposure: IP65 or IP66 for the relevant jet-water conditions, IP67 for temporary immersion, and IP68 for declared continuous-immersion conditions. […]
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Selection Know-how
LED Bridge Lighting — Engineering Specifications, IP Ratings and System Design How to specify IP ratings, cold-climate requirements, control protocols, fixture types and surge protection for bridge lighting. Category:Bridge LightingUpdated:May 9,2026Read:12 min Print Bridge lighting is one of the most demanding applications in outdoor architectural LED engineering. Fixtures face road spray, river moisture, thermal cycling, […]
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Process Experience
Brightness is not the same as correct light. Distribution, aiming, cutoff, and commissioning decide whether façades work at night.
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Selection Know-how
Replacing a W150 installation is not a like-for-like swap. What the 148 mm body hides, what the 75 mm W75 body exposes, and the checks to run before ordering.
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Selection Know-how
Car Wash Tunnel Lighting — Why US Operators Choose High-Power RGBW LED Light Bars The commercial logic, technical demands and installation practice behind RGBW light bars in car wash tunnels. Category:Industrial LightingUpdated:May 3,2026Read:10 min Print Walk into a premium express car wash in the United States and the lighting is doing something you will not […]
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2700K vs 3000K vs 4000K vs RGBW — Colour Temperature for Architectural Lighting How to choose between warm white, neutral white, cool white and RGBW dynamic colour for facades, bridges, landmarks and hospitality projects. Category:Architectural LightingUpdated:May 5, 2026Read:7 min Print Colour temperature is one of the most consequential decisions in an architectural lighting project — […]
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