Episode 87 ~2:10 MV Switchgear EN · العربية

Luminaire vocabulary, speak like a designer

Every designer's vocabulary contains 20+ luminaire archetypes. Knowing what a 'troffer' vs a 'recessed downlight' vs a 'wall-grazer' actually is, and what photometric distribution each delivers, is the difference between briefing a designer and being briefed at. Here's the canonical list.

Animated explainer, press play to watch the concepts now; the filmed cut publishes once production wraps.

What you'll walk away with

Four ideas to carry into the next specification conversation you have.

01

Categories: indoor / outdoor / industrial.

Each has its own family. Downlights and panels for indoor offices. Bollards and floodlights for outdoor. High-bays for industrial.

02

Mount: recessed / surface / suspended / pendant.

Where the fixture lives. Recessed in ceiling, surface on ceiling, suspended below, pendant on a stem.

03

Distribution: direct / indirect / wall-wash / asymmetric.

How the light comes out. Direct down, indirect up + bounced, wall-wash on vertical, asymmetric for special aim.

04

Form follows function.

A 'pendant' is decorative. A 'downlight' is functional. Same lumens, totally different visual job.

Twenty luminaire archetypes

Canonical types every designer knows and specifies.

Type Mount Use
DownlightRecessedOffice ambient
TrofferRecessed grid 600×600Office
LinearRecessed/surfaceOffice, retail
PanelRecessed/surfaceOffice, school
PendantCable/stemDecorative
ChandelierPendant decorLobby, majlis
SpotlightTrack/surfaceAccent
Wall-washRecessed angledVertical surface
Wall-grazerFloor / coveTexture light
CoveHidden in corniceIndirect
SconceWall mountDecorative wall
BollardGround 0.5-1.2mOutdoor path
FloodlightPole/wallFaçade, sports
StreetlightPole 6-12mRoadway
High-baySuspended 6-15mWarehouse
Low-baySuspended 3-6mFactory
Linear high-baySuspended linearAisle
Recessed stepStair riserEgress
UnderwaterPool/fountainWater feature
Track + spotSurface trackRetail flexible

Choosing the right archetype

Five examples of matching luminaire type to design intent.

Office ambient = panel or troffer.

Wide distribution, low UGR, low cost per m². Troffer fits 600×600 grid ceiling. Panel similar but free-form layout.

Retail product accent = track + spot.

Flexible aim, changeable angle, swappable beam. Why almost every modern retail ceiling uses track.

Hospitality decorative = pendant + sconce.

Visible fixture is part of the brand. Mixed with recessed downlights for actual task lighting.

Industrial = high-bay or linear high-bay.

High mounting demands narrow beam, high lumen, IK rating. Linear high-bay better for aisle uniformity.

Outdoor city = pole-mounted streetlight + bollard.

Streetlight for roads, bollard for pedestrian paths, wall-mounted for entries. Hierarchy of pole heights.

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