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WAC Lighting R4FBN 4" FQ New Construction LED Housing, IC Rated
The WAC Lighting R4FBN is a 4" new construction housing from the FQ Recessed series, engineered as a single universal platform that accepts every round and square, trimmed and trimless FQ trim type. Built from 20 Gauge Galvanized Steel and IC Rated for direct insulation contact, this housing is ETL & cETL rated for Dry locations and supports 120-240-277V operation, making it a versatile foundation for downlight, adjustable, and wall-wash applications in a single uniform ceiling cutout.
Key Features
- Trade Size: 4" housing with a uniformed ceiling cutout that fits all FQ round and square, trim and trimless configurations (DL, ADJ, WW).
- Durable Construction: Fabricated from 20 Gauge Galvanized Steel for a rugged, corrosion-resistant housing built for long-term ceiling installation.
- New Construction, IC Rated: One size housing designed for new construction applications and rated for direct contact with insulation.
- Voltage Rating: Operates at 120-240-277V, with quick connectors pre-installed on the driver for fast, tool-free driver replacement and service.
- Dimming Compatibility: Compatible with 0-10V, ELV, and TRIAC dimming for flexible lighting control.
- Emergency Option: EM (emergency) option available for code-driven life-safety applications.
- Hardwired Installation: Hardwired housing designed for permanent, code-compliant ceiling installation.
Certifications & Compliance
- ETL Rated for Dry Locations
- cETL Rated for Dry Locations
- IC Rated for Insulation Contact
Technical Specifications
- Bulbs Included: No
- Collection: FQ
- Dimmable: 0-10V,ELV;TRIAC
- Energy Star: No
- Hardwired or Portable: Hardwired
- Product Type: Recessed Housings
- Safety Rating: ETL;cETL
- Warranty: 5 Years Functional
- Subcategory: 4" Housing
- Voltage: 120-240-277
- Material: 20 Gauge Galvanized Steel
- Country of Origin: Thailand
- Location Rating: Dry
Typical Applications
- New Construction Recessed Lighting Installations
- Residential and Commercial Downlighting
- Adjustable Accent and Wall-Wash Lighting
- Insulated Ceiling Applications Requiring IC-Rated Housings
- Dry-Location Interior Ceiling Installations
Why WAC Lighting?
WAC Lighting builds the FQ housing from 20 Gauge Galvanized Steel and backs it with ETL & cETL Dry-location ratings, IC-rated performance, and a 5-Year Functional Warranty. The one-size housing platform and driver quick connectors simplify ordering, installation, and future servicing, giving electrical professionals a reliable, code-compliant foundation for a full range of FQ recessed trims.
Manufacturer Resources
Specification Sheet
Product Specs
- Bulbs Included:
- No
- Collection:
- FQ
- Dimmable:
- 0-10V,ELV;TRIAC
- Energy Star:
- No
- Hardwired or Portable:
- Hardwired
- Product Type:
- Recessed Housings
- Safety Rating:
- ETL;cETL
- Subcategory:
- 4" Housing
- Product Voltage:
- 120-240-277
- Product Material:
- 20 Gauge Galvanized Steel
- Location Rating:
- Dry
- Product Style:
- Functional
- Department:
- Electrical
WAC Lighting R4FBNT-1 – Frequently Asked Questions
1) Can the WAC FQ R4FBN 4 inch housing sit against insulation in the ceiling?
Yes. The R4FBN is IC rated, so it can be in direct contact with insulation, which is what you need in an insulated attic or a batt-filled ceiling cavity without having to box it out. Construction is 20 gauge galvanized steel. It is a new construction housing, meant to be mounted to the framing before the ceiling goes up, not retrofit through a finished ceiling.
2) Do I need a separate trim, and does one housing work for round, square and trimless FQ trims?
The housing ships without a trim or lamp, and that is deliberate: the R4FBN is a single universal 4 inch platform with one uniform ceiling cutout that accepts every FQ trim type, round or square, trimmed or trimless, in downlight (DL), adjustable (ADJ) and wall wash (WW) versions. So you can rough in one housing throughout a job and decide the optics and aperture style later, per room.
3) Will the WAC FQ housing run on 277V commercial power?
Yes. The FQ housing is rated 120-240-277V, so the same part number works on residential 120V and on 277V commercial lighting branch circuits. That is useful if you are standardizing one housing across a mixed-use building. It is a hardwired fixture, so it goes to a junction connection, not a plug.
4) Is there an emergency battery version of the WAC FQ 4 inch housing for egress lighting?
Yes, order the -EM suffix. R4FBNT-EM is available in all four wattages (13, 19, 25 and 28W) and is the one to specify where a code-driven life safety or egress requirement applies. The plain R4FBNT has no emergency function, so the choice has to be made at order time, not added later.
5) Can I use this WAC housing in a bathroom shower or an outdoor soffit?
No. The FQ R4FBN carries a Dry location rating only, with ETL and cETL listings for dry locations. Keep it out of showers, tub enclosures, covered exterior soffits and other damp or wet areas. For those spots you need a housing rated wet or damp for the location in question.
6) What wattage options does the R4FBN come in and how do I pick one?
Four wattages are offered: 13W, 19W, 25W and 28W. Pick by ceiling height and the light level the space needs, lower wattage for residential corridors and bedrooms, higher for tall ceilings, retail or task areas. Each wattage is available as the standard R4FBNT or as the R4FBNT-EM emergency version.
7) What dimmers work with the WAC FQ recessed housing?
Dimming is supported on 0-10V, ELV and TRIAC. TRIAC lets you use common forward-phase wall dimmers on a 120V residential job; ELV covers reverse-phase low voltage electronic dimmers; 0-10V is the one to use when the fixtures tie into a commercial control system or panel. Confirm the dimmer you spec matches the protocol you wire for, since the driver supports all three but each needs the right control type.
8) Is the WAC FQ housing approved for use in Canada?
It carries both ETL and cETL listings for dry locations, so it is certified for the US and Canada. That matters for institutional and government work where an AHJ wants a listed fixture mark on the housing.
9) If a driver fails after the ceiling is closed up, can it be replaced?
Yes. The FQ housing comes with quick connectors pre-installed on the driver, so the driver unplugs and swaps without tools and without cutting wire. For a property manager or MRO crew maintaining a lot of downlights, that keeps a failed fixture from turning into a drywall repair.
How fast can I get the WAC Lighting R4FBNT-1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the WAC Lighting R4FBNT-1 come with a warranty?
Absolutely. The WAC Lighting R4FBNT-1 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the WAC Lighting R4FBNT-1?
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