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ABB - Installation Products 54151CFB-BHL-OW - Octagon Ceiling Fan Box, 15.8 Cubic Inches, 4 Inch Diameter x 1-1/2 Inches Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel, Drawn Construction, with Non-Metallic Cable Clamps (C-5) and Old Work Bar Hanger with 16 Inch to 24 Inch Length, For use with Non-Metallic Sheathed Cable

ABB Installation Products 54151CFB-BHL-OW Octagon Ceiling Fan Box, 15.8 Cubic Inches, 4 Inch Diameter x 1-1/2 Inches Deep, 1/2…

UPC: 785991026177


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Installation InstructionsSpecification SheetManufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The ABB 54151CFB-BHL-OW Octagon Ceiling Fan Box is a high-strength, pre-galvanized steel electrical enclosure designed for secure ceiling fan and fixture installations. With a 15.8 cubic inch capacity and 4-inch diameter, this octagon box meets standard electrical wiring and mounting requirements for both residential and commercial applications. The included Old Work Bar Hanger provides adjustable mounting for spans between 16 and 24 inches, enabling installation in existing ceiling structures without requiring new framing. This feature simplifies retrofits and renovations, reducing labor time and material costs. The pre-galvanized steel construction ensures superior corrosion resistance, extending the product's lifespan in demanding environments. Rated for a maximum load of 35 lbs. for fans and 50 lbs. for fixtures, the 54151CFB-BHL-OW is engineered for reliability and safety. Its compact design and versatile knockout configuration make it ideal for electricians and contractors seeking a dependable solution for supporting ceiling-mounted electrical devices. Compatible with standard 4-inch octagon covers (e.g., CBP or CBP-3/8), this box integrates seamlessly into existing electrical systems while meeting industry standards for performance and durability.
  • 15.8 cubic inch capacity with 4-inch diameter and 1-1/2 inch depth
  • Pre-galvanized steel construction for corrosion resistance and durability
  • Three 1/2-inch knockouts for flexible non-metallic sheathed cable entry
  • Integrated non-metallic cable clamps (C-5) for secure strain relief
  • Old Work Bar Hanger adjustable for 16 to 24 inch spans for retrofit installations

Specifications

Application
For use with non-metallic sheathed cable
Color
Silver
Construction
Drawn
Cubic Capacity
15.8 in3
Cubic Capacity
258916.2 mm3
Depth
1/2 in
Diameter
4 in
Diameter
101.6 mm
Material
Steel
Number Of Outlet
1
Size
4 Inches Diameter x 1/2 Inch depth
Special Features
Expandable for joists spaced from 16 to 24 inches
Standard
UL E2969
Standard
UL E2969 / UL E2969
Type
Octogonal Boxes
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
2.470 L
Package Weight (Metric)
1.120 kg
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Frequently Asked Questions

What type of cable is compatible with this box?

This box is designed for use with non-metallic sheathed cable (NM) and includes non-metallic cable clamps for secure connections.

What are the dimensions of the knockouts?

The box features three 1/2-inch knockouts for cable entry points.

Does this box include a mounting bracket?

Yes, the box includes an Old Work Bar Hanger adjustable for spans between 16 and 24 inches.

What is the depth of the ABB 54151CFB-BHL-OW box?

The box has a depth of 1-1/2 inches.

What is the maximum load rating for this ceiling fan box?

The ABB 54151CFB-BHL-OW supports a maximum load of 35 lbs. for fans and 50 lbs. for fixtures.

What is the material of the cable clamps?

The integrated cable clamps are non-metallic, providing secure strain relief for wiring.

Can this box be used with metal-clad cable?

No, this specific model is designed for non-metallic sheathed cable only.

Is this box suitable for new construction or only retrofit installations?

The Old Work Bar Hanger makes this box ideal for retrofit installations in existing ceiling structures.

How to Install the Old Work Ceiling Fan and Light Fixture Bar Hanger

This guide provides step-by-step instructions for installing the Old Work Bar Hanger to securely mount ceiling fans or light fixtures.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench

Supplies needed:

Mounting screws, Locknuts, Outlet box

  1. Insert the bar hanger

    Insert the bar hanger through the old outlet box hole in the ceiling drywall until the end plates contact the wood joists.

  2. Rotate the bar hanger

    Rotate the square tube portion by hand until the end plates engage with the joists. Continue rotating until the square bar can no longer rotate.

  3. Assemble the hanger bracket

    Place the hanger bracket assembly over the square tube portion of the hanger bar with screws pointing downward. Secure with locknuts on the inside of the outlet box.

  4. Tighten locknuts

    Tighten the locknuts with an appropriate tool to ensure they are secure.

  5. Install the fan or fixture

    Install the ceiling fan or light fixture according to the manufacturer's instructions, using #10-32 mounting screws with lockwashers.

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