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White square 14 inch LED light kit with steel housing and acrylic lens

Acuity Lithonia

Acuity Lithonia FMLSL 14 20840 M4 LED Square Light Kit 14in 24W 4000K

SKU CH-RP84-YYVQZ

A 14 in square LED light kit delivering 1600 lm at 4000 K with TRIAC dimming on 120 V AC

  • 14-inch square design fits standard ceiling openings
  • 1,600-lumen output at 4000K for bright neutral-white light
  • 24-watt LED draw keeps energy use low
  • TRIAC dimming works with common wall dimmers
  • CRI 80 renders colours accurately indoors

14-inch LED Square Light Kit

The Acuity Lithonia FMLSL 14 20840 M4 is a 14-inch square LED light kit designed for interior ceiling or wall mounting. It suits homeowners and installers who need a low-profile, surface-mounted fixture with a clean white steel housing.

24 W 1 600 lm output at 4000K

The fixture draws 24 watts and delivers 1 600 lumens at a 4000K colour temperature with an 80 CRI rating. TRIAC dimming allows adjustable brightness, but the integrated LED array is not replaceable so the light output is fixed at this level.

120 V AC TRIAC dimmable steel housing

The unit operates on 120 V AC and requires a compatible TRIAC dimmer for dimming function. Its 3 1/8-inch depth fits shallow ceiling cavities, while the acrylic lens and unfinished white steel housing blend into standard residential ceilings.

How it compares

Measured against everything we stock in LED Lighting Kits, at today’s prices. Recalculated every night.

Price $75.99
Pricier than about 80% of the 1,591 comparable items (median $33.99).

Specifications

Product
Brand nameLITHONIA LIGHTING

Questions about this item

Will this 14in 24W LED kit work on the same 120V AC circuit as my existing TRIAC dimmer?

Yes, the fixture runs on 120V AC and uses TRIAC dimming, so it is compatible with most standard residential dimmers already wired in the home.

How can I confirm the 1600 lm output and 4000K colour are correct once the light is installed?

Measure illuminance at the work plane with a calibrated lux meter and compare the reading to the 1600 lm rating; a CRI of 80 and 4000K colour temperature should match the stated specifications.

Does the box include mounting hardware and a TRIAC dimmer, or must I buy them separately?

The kit supplies the steel housing, acrylic lens and integrated LED module; mounting screws and a compatible TRIAC dimmer are not included and must be purchased separately.

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