Technical Guides

You need to replace a recessed 115mm cut out downlight whose ceiling hole is labelled about 115mm. The risk is treating “115mm” as a universal

3000K or 4000K spotlights? Choose by appearance, materials and ambient light, not brightness. Compare lumens, CRI and SDCM, then test samples.

What is a 3 phase track light? Learn how three-circuit track works, why it is not three-phase power, how groups and DALI control work, and what to check.

Plan 2m LED track lighting step by step: kit contents, circuits, head layout, joining two 1m rails, cutting, centre power points, installation and upkeep.

Plan 3 circuit track lighting step by step: circuit groups, supply and switching, I/L/T/X connectors, orientation, feed points, LED inrush and a full BOM.

Compare 240V, 48V and 24V track lighting by power supply, current, voltage drop, controls, installation and cost, with a decision table for projects.

Track lighting with adjustable heads leaving bright spots and dark corners? Re-aim heads, check beam spread and overlap, and see when that is not enough.

What lights fit a 10mm magnetic track? See which module types exist, why 10mm alone does not guarantee a fit, and six checks to run before you order.

Three or four heads on a 1.5 m track light? Work out the head count from your lighting targets, beam coverage, spacing and the track’s rated capacity.

Choose smart LED lighting control for commercial projects: functions first, then wired or wireless, DALI, Zigbee, Casambi or WiFi, and what to specify.

How much can office LED lighting save? Use DOE retrofit ranges, then calculate kWh, cost savings and simple payback from your own wattage and hours.

Choosing an LED light factory in China? Check legal entity, product fit, quality system, compliance files, sample and batch consistency before ordering.