Knowledge centre
Plain-language guides to lighting, power, intelligent infrastructure and financing, with downloads, a glossary and answers to common questions.
Quick reference
- DownloadsEvery spec sheet and manual, by product family. IES files on request.→
- Lighting, power and IoT glossaryPlain definitions of the lighting, solar, IoT and financing terms used on our product pages and in our guides.→
- Frequently asked questionsQuick answers on where we work, design and custom fixtures, downloads, funding, installation, INTELIGHT, solar, wellness and quotes.→
Guides
Lighting
- Top mistakes people make when selecting a luminaireTen common mistakes in choosing a luminaire, from buying by watts to skipping the photometric design, and how to avoid each one.Read
- Understanding light pollutionWhat light pollution is, why it matters for budgets, safety and the night sky, the common myths, and how good outdoor lighting avoids it.Read
- How to read a spec sheet and an IES fileA practical guide to the figures on a luminaire spec sheet and in its IES file, what they mean, and the red flags to watch for.Read
- BUG ratings and dark-sky lightingHow the IES BUG rating measures backlight, uplight and glare, how it relates to full cutoff, and what dark-sky friendly lighting means.Read
- Colour temperature and CRI, explainedWhat kelvin ratings and CRI mean, how they affect the look and efficiency of a space, and how to choose them by application.Read
- Retrofit or replace: how to decideLamp swaps, retrofit kits or new luminaires: what to weigh, when each option makes sense, and why a photometric check comes first.Read
- Why designs use maintained light levels, not initial onesLight output falls over time. How the light loss factor works, what L70 means, and why good designs start from maintained light levels.Read
Solar & power
- Sizing an off-grid solar systemStart from the load, design for the worst month, and size storage for the darkest week, not the sunniest day.Read
- Off-grid, grid-hybrid or generator backup: which fits your siteThree ways to run solar and wind power, when each one makes sense, and the trade-offs to weigh before choosing.Read
Intelligent infrastructure
- What a 7-pin receptacle is, and why it mattersThe standard socket on top of a roadway or area luminaire, what can plug into it, and why specifying one keeps a luminaire ready for what comes next.Read
- What IoT data can do: use cases by sectorThe kinds of problems connected sensors solve in every sector, the five obstacles smart projects face, and how data becomes insight, foresight and action.Read
Financing
- ESCO, lease or purchase: a side-by-side comparisonHow an ESCO, a lease and a conventional purchase work, who carries the risk, and which suits which organization.Read
- How rebates, grants and subsidies workWho offers incentives for efficient lighting, clean power and infrastructure upgrades, what they usually require, and the mistakes that cost projects their funding.Read