Blog and technical guides
Guides on choosing LED luminaires, lighting design, standards and application areas.
Jewellery and Display Lighting: Light for Gold, Diamonds and Silver
The right colour temperature for gold, diamonds and silver in jewellery displays, CRI 90 and above, choosing narrow-beam spotlights, balancing display and shop lighting, and common mistakes.
Hotel Lighting: Lighting Design for Lobbies, Rooms, Corridors and Restaurants
Illuminance values, colour temperature, scene control (DALI), night mode and energy savings for hotel lobbies, reception, rooms, corridors, restaurants and façades.
Car Park Lighting: Lux, IP and Sensors in Indoor and Outdoor Car Parks
Illuminance values to EN 12464-1 in indoor and open car parks, daytime transition at entry and exit ramps, IP and impact resistance, and energy savings with motion-sensor dimming.
What Is a Track Spotlight and How to Choose One? Beam Angle, Track Type and Wattage
What a track spotlight is, the difference between single- and three-phase track, choosing the beam angle, wattage and CRI, anti-glare accessories, and layout rules for shops, galleries and offices.
What Is Linear Lighting? Mounting Types, Profiles and Diffuser Choice
What a linear LED luminaire is: surface, recessed and pendant mounting, direct and indirect light, profile sizes, opal and micro-prismatic diffusers, joining end to end and use in offices.
How to Choose a Recessed Spotlight? Cut-Out Size, Beam Angle and Layout
The difference between recessed spotlights and downlights, cut-out size and ceiling void, fixed and adjustable models, beam angle, glare, IP44 in bathrooms and spacing between spotlights.
How to Install Concealed Lighting? LED Strip, Profiles and 12 V vs 24 V
Concealed lighting in ceiling coves, niches, under shelves and on stairs; the difference between LED strip and LED bar, 12 V and 24 V, aluminium profiles and diffusers, choosing the driver.
Factory Lighting Calculation: Number of Luminaires and Power with a Worked Example
Step-by-step calculation of the number of luminaires for a production hall using target lux, room index, utilisation and maintenance factors; layout, installed power and a metal halide vs LED comparison.
Mosque Lighting: A Guide to the Interior, Dome, Mihrab and Minaret
General interior lighting in mosques, the dome and painted decoration, accents on the mihrab and minbar, converting chandeliers to LED, ablution areas, façade and minaret lighting, and scenes for prayer times.
How to Choose an LED Luminaire Manufacturer? A Supplier Evaluation Checklist
What to look for when choosing an LED luminaire manufacturer for projects: real production, datasheets and test reports, component brands, warranty, custom production, project support and delivery time.
How Is a Lighting Design Prepared? Step-by-Step Calculation and Layout
How a lighting design is prepared, from needs analysis and illuminance calculation to luminaire selection and the layout plan; a lumen method example and common mistakes.
What Is Lighting Consultancy and When Is It Needed?
The scope of lighting consultancy, when it should be used, the steps of the process and the deliverables you should expect from a consultant.
How to Light a Shop? Lighting Decisions That Affect Sales
General, accent and window layers in shop and showroom lighting; illuminance levels, CRI and R9, choosing the colour temperature and using track spotlights.
Lux Levels in Office Lighting: A Guide Based on EN 12464-1
Target illuminance, glare (UGR), uniformity and CRI values for offices, meeting rooms, corridors and reception; screen work, colour temperature and energy savings.
Factory and Warehouse Lighting: Lux Levels, Luminaires and IP Ratings
Target illuminance values for production areas, assembly lines and warehouses; choosing luminaires for high ceilings, IP rating, colour temperature, aisle lighting and energy savings.
How to Light a Façade? Techniques, Luminaires and Design
Wallwashing, grazing, floodlighting and accent techniques on building and historic façades; choosing luminaires, IP rating, colour temperature, light pollution and project steps.
What Is a Wallwasher? Wallwashing Lighting and Choosing Luminaires
What a wallwasher luminaire is, how it differs from grazing light, where it is used indoors and outdoors, luminaire spacing and selection criteria.
What Is Accent Lighting and How Is It Applied in Spaces?
The technical and aesthetic finer points of accent lighting, used to bring out architectural details, artworks or products in a shop.
How to Choose an LED Luminaire? A Complete Guide from a Purchasing and Quality Expert
Do not let the price tag mislead you: two similar-looking LED luminaires can differ by thousands of hours of lifetime. A guide to comparing luminaires through an expert's eyes, from power factor to PCB quality and from terminal type to glass transmittance.
DALI, KNX and 1-10V: Lighting Control Systems
The technical differences, application areas and selection of the DALI, KNX and 1-10V control protocols frequently encountered in modern lighting projects.
What Is CRI? The Parameter That Reveals the True Colours of Objects
A technical explanation of CRI, the value that expresses how accurately a light source shows colours, and its effect on choosing the right product.
What Is a Watt and How Is It Calculated? Power and Efficacy in LED Lighting
The physical meaning of the watt, power consumption calculations in LED lighting and the technical parameters to consider when assessing energy efficiency.
What Is an LED and How Does It Work? Understanding the Future of Light
The physical basis of LED technology, a comparison with incandescent and fluorescent lamps, and a technical analysis of the advantages it offers in modern lighting.
Warm Light or White Light? The Science of Choosing a Colour Temperature
What is the difference between 2700K warm light and 6500K white light, and which should be chosen for which space? The effects of colour temperature on human psychology and physiology.
The Importance of Colour Temperature in Lighting Design
The role of the Kelvin value in architectural and commercial lighting projects, the effects of choosing the wrong colour temperature on the space and its users, and professional design principles.
How Should Emergency Lighting Be Maintained? Standards and Practical Guide
The legal maintenance requirements, test procedures and critical points to watch for emergency lighting systems, which save lives in fires and emergencies.
What Is an IP Rating? A Technical Guide to Choosing Outdoor Luminaires
The meaning of the IP codes that show a luminaire's resistance to water, moisture and dust, a digit-by-digit explanation and an application-based guide to the right choice.