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Commercial Indoor Lighting by Fixture Family

Residential lighting sites organize by room and style. Commercial projects do not work that way: a specifier starts from the space type, the ceiling, and the light level the work requires, then lands on a fixture family. This page is the map. Each family below carries a working lumen range, its typical mounting, and the spaces it usually serves, with the full catalog one click away.

Fixture FamilyTypical Lumen RangeMountingTypical Spaces
High Bay Lighting10,000 to 45,000 lmHook, cable, or grid at 15 ft and upWarehouses, manufacturing, gyms
Recessed Lighting3,000 to 6,000 lm per troffer; 600 to 3,000 lm per downlightLay-in grid or drywall recessOffices, schools, healthcare, retail
Surface Mount Ceiling Lights1,500 to 10,000 lmDirect to ceiling, no plenum neededCorridors, stairwells, utility rooms
Pendant Lights1,000 to 15,000 lmSuspended by stem or aircraft cableOpen offices, lobbies, dining
Wall Mounted Lights500 to 5,000 lmWall bracket or sconce backplateStairwells, patient rooms, corridors
Task & Accent Lighting100 to 600 lm per ft (linear formats)Under cabinet, in cove, on trackWorkstations, displays, millwork
Exit and Emergency LightingCode-driven outputWall, ceiling, or end mountEvery occupied commercial building
Retrofit KitsMatches host fixtureInstalls into existing troffers, strips, and cansLarge-scale LED conversions
Specialty LightingApplication-specificVariesClean rooms, docks, hazardous locations

The Three Spec Filters That Matter

Three listings and options come up on nearly every commercial fixture cut sheet, and they decide more purchasing outcomes than style ever does.

  • CCT-selectable: a switch on the fixture selects the color temperature, typically 3500K, 4000K, and 5000K. One SKU covers an office floor and a warehouse, which simplifies ordering and spares on multi-space projects.
  • 0-10V dimming: the standard commercial dimming interface. Two low-voltage control wires let occupancy sensors, daylight harvesting, and building controls dim the fixture. If a control system is anywhere in the project's future, specify it now.
  • DLC listing: the qualification most utility rebate programs require, with DLC Premium as the tier for the best incentive rates. Product pages here carry the listing number a contractor or ESCO needs for the rebate application.

Lumens vs Watts, in One Paragraph

Watts measure what a fixture consumes; lumens measure what it delivers. LED broke the old habit of shopping by wattage, because two 40W fixtures can differ by thousands of lumens depending on efficacy. Compare fixtures on delivered lumens and lumens per watt, then check the photometric file for how that output distributes across the space. Spec sheets and IES files on individual product pages support the lighting calculations behind a submittal package.

Where to Start by Project Type

Warehouse and industrial retrofits start in high bay lighting, where DLC Premium fixtures at 100W to 320W replace metal halide one for one. Office and school buildouts start with troffers and panels in the recessed family, with surface mount fixtures handling the hard-ceiling corridors between them. If the building already has fluorescent fixtures worth keeping, retrofit kits convert troffers, strips, and cans to LED at a fraction of the labor of full replacement. Bulk pricing and project quotes are available on qualifying orders across every family in this catalog.

Frequently Asked Questions

Watts measure the power a fixture consumes; lumens measure the light it delivers. Two LED fixtures at the same wattage can differ by thousands of lumens depending on efficacy, so compare delivered lumens and lumens per watt rather than wattage. For layout work, the photometric file matters as much as the lumen number, since it shows where that output actually lands.

A CCT-selectable fixture has a switch, usually on the driver housing, that sets the color temperature at install time, commonly 3500K, 4000K, or 5000K. One SKU then serves offices, corridors, and back-of-house spaces alike, which cuts down ordering complexity and spare stock on projects with mixed space types. The setting is made once during installation, not by the occupant.

0-10V is the standard commercial dimming interface: two low-voltage control wires vary a signal that dims the driver from full output down to its rated minimum. It is what occupancy sensors, daylight harvesting, and building control systems expect to connect to. Specify it whenever controls are in the project scope or likely to be added, since retrofitting control wiring later costs far more.

Most utility rebate programs only pay incentives on fixtures that appear on the DesignLights Consortium qualified products list, and many reserve their best rates for the DLC Premium tier. On a large retrofit, those rebates can offset a meaningful share of material cost. The DLC listing number on the product page is what goes into the rebate application paperwork.

High bay fixtures are the standard answer for ceilings 15 feet and up, in linear, round UFO, and grid-mount formats, typically 10,000 to 45,000 lumens each. Aisle-specific optics suit racked storage, while open floor areas use wider distributions. Vapor tight high bays cover wash-down and dusty environments, and dock lights and emergency fixtures complete the building.

If the existing troffer or strip bodies are sound and the ceiling grid is staying, LED retrofit kits convert them at a fraction of the labor of full replacement, which is decisive on large fixture counts. Full replacement wins when housings are corroded, the layout is changing, or the project wants new optics and controls integration. Many projects mix both approaches by area.

Most offices land at 3500K to 4000K, which reads neutral without the blue cast of 5000K. Warehouses and industrial spaces commonly run 4000K to 5000K for visual acuity, while hospitality leans warmer at 2700K to 3000K. CCT-selectable fixtures sidestep the debate by letting the installer set the temperature per space from a single SKU.