B-Line Eaton series box suppor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$475.95
B-Line Eaton series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.045lbs, Metal stud size: 2.5", Box stabilizer

B-Line Eaton series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.045lbs, Metal stud size: 2.5", Box stabilizer

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Model: BF1-40
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$475.95
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Eaton B-Line series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.045lbs, Metal stud size: 2.5", Box stabilizer

Manufacturer Resources

Product Specs

Application:
Provides far-side support for electrical boxes
Certifications:
UL/CUL listed
Product Category:
Wall studs
Product Height:
1 in
Product Length Depth:
1 in
Product Weight:
.045 lb
Product Width:
1 in
Department:
Electrical
Product Group:
Enclosures & Boxes
Product Subgroup:
Electrical Boxes
Product Type:
Box stabilizer
Product Size:
Metal stud size: 2.5 inch
Product Details:
Box stabilizer

B-LINE BF1-40 – Frequently Asked Questions

1) What does a B-Line BF1-40 box stabilizer actually do on a metal stud wall?
The BF1-40 provides far-side support for an electrical box mounted to a metal stud. A box screwed to one stud flange alone can rack or push back when a device is being wired or a plate tightened; the stabilizer braces the unsupported side so the box stays square and flush in the wall. It's a support fastener, not a box or a bracket that replaces the box's own mounting.
2) Is this box stabilizer UL listed for use in a commercial job?
The BF1-40 box support fastener is UL/CUL listed, which is what an inspector or a spec-driven institutional job will look for on a box support component. The CUL side means it is recognized for Canadian work as well.
3) Do I need a box support fastener like this if I'm using a bar hanger or a box already bracketed to the stud?
No. The BF1-40 exists for the case where the box is fastened on one side only and the opposite side is unsupported, which is what far-side support means. A box carried on a bar hanger between studs, or one with its own two-sided bracket, is already braced and doesn't need a stabilizer added.
4) What is the exact part number to order for the 2-1/2 inch B-Line box stabilizer?
Order Eaton B-Line model BF1-40. That is the single configuration of this box support fastener, sized for 2-1/2 inch metal studs, so there is no finish or size option to specify. Quantity is the only thing you decide, and these are typically bought by the box since one is used per stabilized outlet.
How fast can I get the B-LINE BF1-40 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 B-LINE BF1-40 come with a warranty?
Absolutely. The B-LINE BF1-40 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 B-LINE BF1-40?
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 B-LINE BF1-40 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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