Office and retail
LED panels 60x60 and 30x120 cm with UGR<19 for suspended ceilings, low-glare light lines for 500 lux on the work surface, plus premium wiring accessories for the finish.
Recommended lines
LED panels 60x60, 62x62, 30x120 and 60x120 cm as back-lit, edge-lit or frame panel. Choose wattage, colour temperature and UGR per panel; surface frames, suspension kits and dimmable drivers available. Per carton from Dutch stock.
Clean light lines for offices and retail with UGR<21, seamlessly linkable in white or black, surface or suspended, optional indirect uplight.
The Modern range by Liregus, European manufacturer of wiring accessories since 1944: flat, matt and with slim frames for homes, hotels and offices with a high-end finish. Matt white, matt black, matt sand and champagne. Manufacturer data sheet for every item.
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QUADRAKnowledge and examples
TroubleshootingLED flickering or blinking: causes and solutions
A flickering LED luminaire can almost always be traced back to the driver, the dimmer or the installation. Here is how to find the cause in a few steps, and when a repair pays off versus a replacement.
7 October 2026
NewsBan on fluorescent tubes: what it means for replacement
Since 2023 most T5 and T8 fluorescent tubes may no longer be placed on the EU market as new products. Existing installations can keep running, but replacement needs a plan. These are the options for installers.
6 October 2026
KnowledgeUGR: glare in halls and offices and why UGR<21 matters
The Unified Glare Rating captures in one figure how much discomfort glare a lighting installation causes at the workplace. This article explains which UGR limit applies where, why a UFO high bay in a low hall is often too bright, and how flat high bays, light lines, mounting height and optics keep you below UGR 19 or 22.
5 October 2026NewsThe standard for office lighting: what EN 12464-1 requires
The current version of EN 12464-1 asks for more than 500 lux on the desk. Walls, ceiling, cylindrical illuminance, flicker and the non-visual effect of light all count. Here is what that means for your office and industrial projects.
2 October 2026
Worked examplesWorked example: a 600 m² office floor with continuous light lines
An open-plan office of 30 by 20 metres, 500 lux on the desk and UGR 19: how many light lines do you need, in what layout and on which dip-switch setting? A fictional but realistic worked example with the LINEA linear luminaires.
2 October 2026TroubleshootingComplaints about glare in the office: causes and solutions
Staff tilting their screens, taping over luminaires or going home with a headache: glare is one of the most common complaints after a new office lighting installation. Here is how to find the cause and how to fix it with UGR<21 light lines, an indirect component and the right layout.
29 September 2026Unsure about quantities or wattage?
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