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Weight: 1.54 lb
Meta description:
Fan and fixture mounting box for new construction on sloped ceilings up to 45°. Supports 70 lb fans and 200 lb fixtures with a paintable 8 in square mounting surface.
What is this product?
The FB450 is a cathedral fan and fixture mounting box engineered for new construction on sloped ceilings up to 45 degrees. It provides a secure, code-compliant mounting solution for ceiling fans and heavy light fixtures. With a 14.5 cubic inch interior and a wide 8 inch square mounting surface, it accommodates larger fan canopies while maintaining proper wiring space. The paintable textured finish allows it to blend seamlessly into finished ceilings.
TL;DR – Who this is for
- Electricians installing ceiling fans on angled or vaulted ceilings
- New construction residential projects with sloped ceilings
- Contractors mounting heavier fixtures or wide-canopy fans
- Builders needing UL and CSA listed fan-rated boxes
Institutional Fit
- Residential new construction and renovations
- Homes with vaulted or sloped ceilings
- Light commercial applications requiring fan-rated boxes
- Projects needing non-metallic, corrosion-resistant solutions
Key Benefits
- Designed for sloped ceilings up to 45 degrees
- Supports ceiling fans up to 70 lb
- Supports light fixtures up to 200 lb
- 8 in square mounting surface for larger fan canopies
- 14.5 cu in interior volume for wiring
- Paintable textured finish for clean aesthetics
- Non-metallic construction resists corrosion
Technical Specifications
| Part number | FB450 |
| Product type | Fan and fixture mounting box |
| Application | New construction |
| Ceiling compatibility | Sloped ceilings up to 45° |
| Fan rating | 70 lb |
| Fixture rating | 200 lb |
| Box volume | 14.5 cu in |
| Mounting surface | 8 in square |
| Material | Plastic |
| Color | White |
| Weight | 1.542 lb |
| Listings | UL / CSA |
| Country of origin | USA |
| Unit packaging | 1 pc |
| Standard packaging | 6 pcs |
Included Components
- Mounting block with built-in electrical box
- NM94 cable connector
- (2) #12 x 3 in screws
- (2) #10 x 1 in screws
Regulatory and Installation Notes
- Designed for new construction installations only
- Install per NEC and local electrical codes
- Confirm fan and fixture weights prior to installation
- Ensure ceiling slope does not exceed 45 degrees
Durability and Lifecycle
- Non-metallic body resists corrosion and cracking
- Paintable textured surface supports long-term aesthetic integration
- Engineered for long service life in residential ceiling installations
Procurement Notes
- Ideal for sloped ceiling fan installations up to 45°
- Recommended for larger fan canopies
- Verify framing layout before rough-in
FAQ
What ceiling slope does this support?
It is designed for sloped ceilings up to 45 degrees.
How heavy of a fan can it support?
Up to 70 lb for ceiling fans and up to 200 lb for light fixtures.
Is this suitable for retrofit installs?
No. This model is intended for new construction only.
Can the box be painted?
Yes. The textured finish is paintable to match the ceiling.
| Feature |
Arlington Cathedral Fan Box for Sloped Ceilings Up to 45Deg
$53.68
Current
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|---|---|
| Brand | ARLINGTON |
| Type | |
| Availability | In stock |
| Rating | No reviews |
Come visit us at Maple Electric Supply for all your electrical needs! Conveniently located at 8520 Jane St, Unit 5, Vaughan, ON L4K 5A9, our team is here to help you find the right products and solutions. Whether you're a contractor or a DIY enthusiast, we’re ready to serve you with top-quality supplies and expert advice.
