Downlight Spec Guides
Longer notes for engineers and buyers: how to confirm a cut-out, how glare control works, and what to check before ordering smart downlights. Each one ends in the same place, a field you can confirm on a spec sheet.
LED downlight cut-out size: how to confirm a fitting will work
How an engineer checks an LED downlight cut-out size before ordering: measuring the hole, reading three different dimensions, clip clearance and ceiling depth.
Anti-glare downlights: UGR, beam spread and the physics behind comfort
What glare is, how UGR works as a room-level idea, and the reflector, shielding and beam levers that make anti-glare downlights comfortable to sit under.
Smart WiFi downlights: the checks to make before you buy
Checklist for smart WiFi downlights: app control, dimming and CCT to confirm per model, platform questions for our team, driver matching.
Send the hole size and the F-codes you need confirmed
We reply with values from the spec sheet of the model that fits your ceiling: cut-out, body height, optics, dimming and warranty, field by field.