Arlington Industries Adjustabl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$84.45
$33.19

Arlington Industries Adjustable Fire-Rated Fan and Ceiling Fixture Box with 2-Hour Rating

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Model: FBA426
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$84.45
$33.19
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Arlington Industries Adjustable Fire-Rated Fan and Ceiling Fixture Box

Professional-Grade 2-Hour Fire-Rated Solution for New Construction

The Arlington Industries Adjustable Fire-Rated Fan and Ceiling Fixture Box is an innovative mounting solution designed to solve the challenge of secure ceiling fixture installation in new construction. This durable plastic box features adjustable depth technology for versatile applications, delivering the 2-hour fire rating and 21.0 cubic inch capacity that electrical professionals demand.

Innovative Features & Benefits

Adjustable Installation System

  • Variable Depth Adjustment - Adjusts from 1/2" to 1-1/2" for perfect positioning and reduced installation time
  • Secure Joist Mounting - Direct attachment to joists ensures maximum stability for heavy fixtures
  • New Construction Optimized - Purpose-built design streamlines rough-in electrical work
  • Generous 21.0 Cubic Inch Capacity - Ample space for wire connections and fixture mounting hardware

Fire Safety & Code Compliance

  • 2-Hour Fire Rating - Meets stringent fire safety requirements for commercial and residential applications
  • UL Listed Construction - Certified safety and performance for professional installations
  • Code Compliant Design - Engineered to exceed NEC requirements for ceiling fixture support

Technical Specifications

Adjustable depth range: 1/2" to 1-1/2", 21.0 cubic inches capacity, 2-hour fire rating, UL listed, black plastic construction, 4.000" height, standard packaging of 25 pieces, designed for secure joist mounting in new construction applications.

Quick Installation Process

  1. Position box between joists at desired ceiling fixture location
  2. Adjust depth setting from 1/2" to 1-1/2" to match ceiling thickness requirements
  3. Secure mounting brackets directly to structural joists using appropriate fasteners
  4. Verify box is level and properly aligned with ceiling plane
  5. Run electrical cables through knockouts and make wire connections
  6. Install ceiling material around box perimeter maintaining fire rating integrity

Perfect Applications

Ideal for:

  • Residential New Construction - Single-family homes, townhouses, and condominiums requiring fire-rated ceiling fixtures
  • Commercial Buildings - Office buildings, retail spaces, and institutional facilities with fire safety requirements
  • Multi-Family Housing - Apartments and condos where fire ratings are mandated by code
  • Ceiling Fan Installations - Heavy-duty mounting for residential and commercial ceiling fans
  • Light Fixture Mounting - Chandeliers, pendant lights, and recessed fixture rough-in boxes
  • Fire-Rated Assemblies - Floor-ceiling assemblies requiring 2-hour fire resistance ratings
  • Renovation Projects - Ceiling upgrades where fire rating compliance is required
  • Institutional Buildings - Schools, hospitals, and government facilities with strict fire codes

Adjustable Depth Advantage

Arlington's adjustable depth system eliminates the guesswork in ceiling fixture installation, allowing contractors to accommodate varying ceiling thicknesses with a single product while maintaining the critical 2-hour fire rating throughout the adjustment range.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has engineered solutions that solve real-world electrical installation challenges. This fire-rated adjustable box combines decades of innovation with modern safety requirements, delivering the reliability and ease of installation that electrical professionals trust for critical ceiling fixture applications.



ARL-FBA426 - spec sheet

Manufacturer Resources

Product Specs

Color:
Black
Height:
4.000"
Listing:
UL
Material S :
Plastic
Standard Packaging:
25pcs
Style:
Round, adjustable fan/fixture box, 21.0 cu. in.
Weight:
0.618 lbs/each
Width:
4.800"
Product Type:
Ceiling Mounts
Product Group:
Mounting Hardware
Department:
Electrical
Product Subgroup:
Mounting Accessories