WAC Lighting 18.13" Corso LED Flush Mount FM-33718
Cleverly hidden LED modules and a circular frosted diffuser floating inside a halo of spun aluminum work together for a beautiful, even illumination. Energy efficient integrated LED's provide a long-lasting maintenance-free bright and even illumination. Solid aluminum construction with a white PC diffuser for maximum brightness and even illumination.- Solid aluminum construction with a white PC diffuser for maximum brightness and even illumination.
- CEC Title 24 compliant. Can be mounted as a ceiling fixture or a wall sconce.
- Universal Input Voltage Driver (120V-240V-277V) located in 4in junction box. Custom CCT options available by special order.
- Smooth and continuous dimming with an electronic low voltage (ELV) or 0-10V dimmer.
Manufacturer Resources:
Manufacturer Resources
Product Specs
- Bulb Base:
- Integrated LED
- Bulbs Included:
- Yes
- Collection:
- Corso
- Dimmable:
- 0-10V;ELV
- Hardwired or Portable:
- Hardwired
- Lumens:
- 1675
- Product Type:
- Flush Mount
- Shade/Glass Description:
- White Acrylic Diffuser
- Warranty:
- 5 Years Functional, 2 Years Finish
- Product Group:
- Indoor Lighting
- Product Subgroup:
- Flush/Semi Flush
- ADA Compliant:
- No
- Number of Bulbs:
- 1
- Avg Rated Hours:
- 50000
- Base Material:
- Aluminum
- Location Rating:
- Damp
- Brand Family:
- WAC Standard
- Backplate Length:
- 28"
- Energy Star:
- No
- Title 20:
- Yes
- Subcategory:
- Indoor Ceiling Lighting
- Certification:
- ETL, cETL, IP44
- Glass Finish:
- White Acrylic Diffuser
- Location Indoor/ Outdoor:
- Indoor/Outdoor (Covered)
- Shade Material:
- Acrylic
- Title 24 Compliant:
- Yes
- Bulb Type:
- Integrated LED
- Segment:
- Lighting
- Product Voltage:
- 120-240-277V
- Product Length:
- 18.13"
- Beam Spread Angle:
- Flood
- Light Temperature:
- 3000K
- Mounting Method:
- Ceiling
- Product Style:
- Modern
- Product Height:
- 4.94"
- Product Category:
- Ceiling Lighting
- Product Width:
- 18.13"
- Product Wattage:
- 25W
- Department:
- Electrical
WAC Lighting WAC-FM-33718 – Frequently Asked Questions
1) Can the WAC Corso FM-33718 flush mount be installed on a wall as a sconce, or is it ceiling only?
The Corso FM-33718 can go up either way. It's catalogued as a ceiling mount, but WAC states it can be mounted as a ceiling fixture or a wall sconce. Either orientation uses the same hardwired connection, with the driver living in a 4 inch junction box behind the fixture.
2) Will the Corso FM-33718 work on a 277V commercial circuit?
Yes. The driver is universal input, 120V to 240V to 277V, so the same fixture covers residential 120V and commercial 277V lighting branch circuits. One part number handles both, which helps if you're standardizing a fixture across a mixed-voltage property.
3) Can I put this WAC Corso LED flush mount in a covered porch or a bathroom?
It's damp location rated and IP44, so a covered porch, soffit, or breezeway is fine, as is a bathroom ceiling. What it is not rated for is direct exposure to rain or sprinklers, since damp rated is not wet rated. Keep it under cover.
4) What dimmer do I need for the Corso FM-33718, and will a standard incandescent dimmer work?
No, a standard incandescent (forward phase) dimmer is the wrong control. This fixture dims smoothly and continuously on either an electronic low voltage (ELV) dimmer or a 0-10V control. Spec one of those two, or the LED will flicker, buzz, or refuse to dim low.
5) Does the Corso FM-33718 meet California Title 24 for a new residential build?
Yes, it's Title 24 compliant and Title 20 listed, which is what California inspectors look for on residential lighting. It also carries ETL and cETL listings, so it's accepted for both US and Canadian installations.
6) How much light does the 18 inch Corso LED flush mount actually put out, and what room size does that cover?
1675 lumens at 25W, in a 3000K warm white, with a flood distribution. That's a comparable output to a single 100W incandescent in a far more even wash, so it suits a bedroom, hallway, bath, or small office as a single-fixture layout. For a large open living room or a kitchen you'd want two or more on the same dimmer.
7) Do I ever have to replace the bulb in this Corso fixture?
No. The LED modules are integrated and included, rated 50,000 hours, with no lamp socket and no bulb to stock. There's one light source in the fixture behind a white acrylic diffuser. At 50,000 hours it's a maintenance-free fixture for the life of most tenancies, though it also means the whole fixture gets swapped at end of life rather than a lamp.
8) What finish and color temperature does the 18 inch Corso flush mount come in?
One configuration: brushed aluminum housing with 3000K warm white output, ordered as FM-33718-AL. There's no multi-finish or multi-CCT matrix to pick from at the standard part number. If a project spec calls for a different color temperature, WAC handles custom CCT as a special order.
9) Is this WAC Corso flush mount ADA compliant for a wall-mounted application?
No. It is not ADA compliant, and at 4.94 inches deep it projects too far for a wall sconce in an ADA-governed circulation path, where protrusions are limited to 4 inches between 27 and 80 inches above the floor. Use it on the ceiling in those spaces, or pick a shallower sconce for the wall.
10) Is the Corso FM-33718 metal or plastic, and will it hold up in a rental or hospitality corridor?
The housing is solid aluminum, a spun halo rather than a stamped steel pan, with an acrylic diffuser lens. Acrylic rather than glass means it won't shatter if something hits it, which is a point in its favor for corridors and multi-family units. No bulb changes and a damp rating also mean it tolerates bathrooms and humid stairwells.
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Absolutely. The WAC Lighting WAC-FM-33718 is backed by a manufacturer’s warranty.
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