Arlington Industries F426 Non-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$8.32
Arlington Industries F426 Non-Metallic Fire-Rated Ceiling Box - 28.0 cu. in. Side Mount for Wood and Steel Joists

Arlington Industries F426 Non-Metallic Fire-Rated Ceiling Box - 28.0 cu. in. Side Mount for Wood and Steel Joists

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Model: F426

In Stock (leaves warehouse same day if ordered before 3pm ET)

$8.32
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Arlington Industries F426 Non-Metallic Fire-Rated Ceiling Box

Professional fire-rated electrical box for secure ceiling fixture mounting

The Arlington Industries F426 Non-Metallic Fire-Rated Ceiling Box delivers reliable performance for ceiling fixture installations in both new construction and retrofit applications. This UL-listed plastic ceiling box features a side mount design engineered for wood and steel joists, providing 28.0 cubic inches of capacity to support fixtures up to 50 pounds with professional-grade fire rating protection.

Professional Features & Benefits

  • 28.0 cu. in. Capacity: Provides ample space for fixture wiring and connections while supporting loads up to 50 pounds for versatile ceiling applications.
  • Fire-Rated Construction: UL-listed design meets fire safety requirements for professional installations in residential and commercial environments.
  • Side Mount Design: Engineered mounting system accommodates both wood and steel joists for flexible installation in various construction types.
  • Non-Metallic Plastic Material: Durable plastic construction resists corrosion and provides reliable long-term performance in ceiling applications.
  • New Work or Retrofit Compatible: Versatile design supports both new construction and retrofit installations for maximum project flexibility.
  • UL Listing: Certified safety compliance ensures code-compliant installations and professional reliability.

Technical Specifications

  • Color: Black
  • Country Of Origin: United States
  • Height: 4.252"
  • Listing: UL
  • Material S : Plastic
  • Standard Packaging: 20pcs
  • Style: Round 28.0cu. in., non-metallic box for fixtures up to 50 lbs
  • Trade Size: 28.0 cu. in.
  • Unit Packaging: 20pcs
  • Usage: For new work or retrofit
  • Weight: 0.246 lbs/each
  • Width: 2.555"

Professional Applications

  • Residential ceiling fixture installations
  • Commercial lighting systems
  • Multi-unit residential properties
  • Professional office buildings
  • Retail and hospitality establishments
  • New construction projects
  • Retrofit and renovation work

Why Choose Arlington Industries Quality?

Arlington Industries delivers trusted electrical solutions with UL-listed safety compliance and durable plastic construction designed for long-term reliability. Made in the United States, this fire-rated ceiling box provides professional-grade performance for demanding ceiling fixture applications with the quality and dependability that electrical professionals expect.

Manufacturer Resources

Spec Sheet

Product Specs

Country Of Origin:
United States
Listing:
UL Listed
Department:
Electrical
Product Type:
Ceiling Box
Product Category:
Fan & Fixture Boxes
Product Color:
Black
Product Height:
4.252"
Product Weight:
0.246 lbs/each
Product Width:
2.555"
Product Material:
Plastic
Product Size:
28.0 cu. in.
Product Group:
Boxes & Enclosures
Product Usage:
For new work or retrofit
Product Subgroup:
Electrical Boxes

Arlington Industries F426 – Frequently Asked Questions

1) Does the Arlington F426 box mount to steel studs or only wood joists?
Both. The F426 uses a side mount that attaches to wood or steel joists, so the same box works on stick-framed residential ceilings and light-gauge steel framing in commercial work. Side mounting means you fasten to the face of the framing member, so you need a joist or purlin at the fixture location, not just drywall.
2) Is 28 cubic inches enough box fill for a ceiling light with several conductors?
The F426 gives you 28.0 cubic inches, which is generous for a fixture box. Under standard box fill rules a 14 AWG conductor counts 2.00 cubic inches and 12 AWG counts 2.25, with allowances for the fixture leads, device yoke, and clamps, so 28 cubic inches leaves room for a feed-through with a switch leg rather than just a single home run. If you are daisy chaining several ceiling fixtures on one circuit, the extra volume is what keeps you legal.
3) Is the Arlington F426 approved for a fire-rated ceiling assembly?
The F426 is a UL listed fire-rated ceiling box, which is what an inspector looks for when a box penetrates a rated ceiling membrane in a corridor, a garage ceiling below living space, or a demising assembly in multi-family. The listing is UL. Confirm the assembly detail your drawings call out, since the rating belongs to the tested assembly as a whole.
4) Can the Arlington F426 be installed in an existing ceiling, or is it new construction only?
Either. The F426 is listed for new work or retrofit, so it goes in before the drywall on a new ceiling and also into an existing ceiling where you can reach a joist through the opening. On retrofit work the side mount is the constraint: you have to land it on framing, so plan the cut at the joist rather than mid-bay.
5) How deep is the Arlington F426 box and will it fit in a shallow ceiling cavity?
The F426 measures 4.252 by 2.555 inches as published. Those two numbers are the box body, so the round face is the larger figure and the smaller one is the depth dimension you have to clear behind the drywall. In a furred-down ceiling or a cavity crowded with duct, check that clearance before you commit the location.
6) Will a plastic ceiling box corrode in a damp location like a garage or laundry ceiling?
The F426 body is plastic, so there is nothing in it to rust the way a steel box does in a humid garage, laundry, or basement ceiling. Non-metallic also means the box itself is not part of the equipment grounding path, so the fixture ground has to be carried on the equipment grounding conductor in the cable, not assumed through the box.
7) What is the exact part number to order for the Arlington fire-rated 28 cubic inch ceiling box, and where is it made?
Order it as Arlington Industries F426. That is the manufacturer part number for the round 28.0 cubic inch non-metallic fire-rated ceiling box, and it is made in the United States, which matters on public and institutional work carrying domestic sourcing requirements.
8) How many Arlington F426 boxes come in a box, and is that a problem for a small job?
F426 ceiling boxes ship 20 to a carton at 0.246 pounds each, which is the standard trade pack for this part. For a rough-in on a multi-unit floor or a lighting retrofit across a building that is one or two cartons; for a single fixture replacement it is more box than the job needs, so plan the buy against the fixture count.
How fast can I get the Arlington Industries F426 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
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 Arlington Industries F426 come with a warranty?
Absolutely. The Arlington Industries F426 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 Arlington Industries F426?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Arlington Industries F426 from ZenSupply?
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