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Show In Stock Only (24)

Brand

Arlington (3)
DiversiTech (1)
Southwire (7)
Steel City (23)

Product Type

Bracket (12)
Clip (1)
Extension (12)
Hanger (4)
Mounting Clip (1)
Ring (3)

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Octagon (2)
Square (10)

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4" (5)
11" (1)
12" (1)
14-1/2" (2)
15" (2)
16" (2)
18" (2)
24" (4)
26-1/2" (2)

Depth (Inches)

1-1/2" (9)
1-7/8" (1)
2-1/2" (1)
2-1/8" (3)
3-5/8" (1)

Price Range

$1 to $5 (17)
$5 to $10 (11)
$10 to $15 (3)
$20 to $25 (1)
$35 to $40 (1)
$50 to $60 (1)

Metallic Device Box Extensions & Accessories

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More About Metallic Device Box Extensions & Accessories

This category contains accessories for metallic device boxes and electrical enclosures. Box extensions, mud rings, box clamps and more can be found here.
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12" - 18" SliderBar Adjustable Box Mounting Bracket
$2.80 each
BOX UP & SAVE 5%
$66.50 box of 25
$2.66 each
In Stock
Get 1,168 by Thu, Dec 19
In Stock
Get 1,168 by Thu, Dec 19
Compare
4" x 2-1/8" Deep Square Box Extension Ring w/ 1/2" and 3/4" Knockouts
$7.07 each
In Stock
Get 256 by Thu, Dec 19
In Stock
Get 256 by Thu, Dec 19
Compare
4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" and 3/4" Knockouts
$4.09 each
BOX UP & SAVE 13%
$178.50 box of 50
$3.57 each
In Stock
Get 161 by Thu, Dec 19
In Stock
Get 161 by Thu, Dec 19
Compare
Old Work Box Support Clip, Adapts to Wall Thickness Up to 3/4"
$2.34 each
BOX UP & SAVE 13%
$50.75 box of 25
$2.03 each
In Stock
Get 1,936 by Thu, Dec 19
In Stock
Get 1,936 by Thu, Dec 19
Compare
4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" & 3/4" Eccentric Knockouts
$10.33 each
In Stock
Get 70 by Thu, Dec 19
In Stock
Get 70 by Thu, Dec 19
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15" - 24" SliderBar Adjustable Box Mounting Bracket
$3.98 each
In Stock
Get 21 by Thu, Dec 19
In Stock
Get 21 by Thu, Dec 19
Compare
4" x 2-1/8" x 1-7/8" Deep Box Extension Ring w/ 1/2" Knockouts
$3.20 each
In Stock
Get 559 by Thu, Dec 19
In Stock
Get 559 by Thu, Dec 19
Compare
4-11/16" x 2-1/8" Deep Square Box Extension Ring, 1/2" & 3/4" Knockouts
$6.69 each
BOX UP & SAVE 16%
$112.60 box of 20
$5.63 each
In Stock
Get 43 by Thu, Dec 19
In Stock
Get 43 by Thu, Dec 19
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11 - 18" Expandable Telescoping Screw Gun Box Support Bracket
$2.89 each
In Stock
Get 950 by Thu, Dec 19
In Stock
Get 950 by Thu, Dec 19
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4" Square Single Gang Device Ring, 1-1/4" Raised
$2.27 each
In Stock
Get 119 by Thu, Dec 19
In Stock
Get 119 by Thu, Dec 19
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Single-Gang Adjustable Mud Ring for 4" Square Boxes
$8.22 each
BOX UP & SAVE 11%
$182.50 box of 25
$7.30 each
In Stock
Get 400 by Thu, Dec 19
In Stock
Get 400 by Thu, Dec 19
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4" x 1-1/2" Deep Square Box Extension Ring w/ 1/2" Knockouts
$3.76 each
In Stock
Get 218 by Thu, Dec 19
In Stock
Get 218 by Thu, Dec 19
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Two-Gang Adjustable Mud Ring for 4" Square Boxes
$9.90 each
BOX UP & SAVE 13%
$171.40 box of 20
$8.57 each
In Stock
Get 100 by Thu, Dec 19
In Stock
Get 100 by Thu, Dec 19
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24" Heavy-Duty T-Grid Box Hanger w/ Mounting Clip
$11.11 each
Out of Stock
Get it by Fri, Jan 3 - Fri, Jan 10
Out of Stock
Get it by Fri, Jan 3 - Fri, Jan 10
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7/8" Adjustable Depth Single-Gang Switch Box Extension w/ 1-1/4" Mounting Screws
$3.99 each
BOX UP & SAVE 3%
$193.00 box of 50
$3.86 each
In Stock
Get 170 by Thu, Dec 19
In Stock
Get 170 by Thu, Dec 19
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16" - 24" Telescoping Stud Box Bracket
16" - 24" Telescoping Stud Box Bracket
SKU: TSGB1624TZ
Southwire
SKU: TSGB1624TZ
Brand: Southwire
$3.51 each
In Stock
Get 555 by Thu, Dec 19
In Stock
Get 555 by Thu, Dec 19
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4" x 1-1/2" Deep Octagon Box Extension Ring w/ 1/2" Knockouts
$3.14 each
In Stock
Get 58 by Thu, Dec 19
In Stock
Get 58 by Thu, Dec 19
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16" Adjustable Bar Box Bracket
16" Adjustable Bar Box Bracket
SKU: SSF-SG16A
Steel City
SKU: SSF-SG16A
Brand: Steel City
$4.19 each
BOX UP & SAVE 8%
$193.00 box of 50
$3.86 each
In Stock
Get 290 by Thu, Dec 19
In Stock
Get 290 by Thu, Dec 19
Compare
4" x 1-1/2" Deep Octagon Box Extension Ring w/ 1/2" and 3/4" Knockouts
$3.14 each
BOX UP & SAVE 3%
$76.00 box of 25
$3.04 each
In Stock
Get 38 by Thu, Dec 19
In Stock
Get 38 by Thu, Dec 19
Compare
4-11/16" x 2-1/8" Deep Square Box Extension Ring, 1" Knockouts
$21.39 each
In Stock
Get 3 by Thu, Dec 19
In Stock
Get 3 by Thu, Dec 19
Compare
4-11/16" x 1-1/2" Deep Square Box Extension Ring, 1/2" & 3/4" Knockouts
$9.63 each
BOX UP & SAVE 17%
$159.80 box of 20
$7.99 each
In Stock
Get 22 by Thu, Dec 19
In Stock
Get 22 by Thu, Dec 19
Compare
24" Adjustable Bar Box Bracket
24" Adjustable Bar Box Bracket
SKU: SSF-SG24A
Steel City
SKU: SSF-SG24A
Brand: Steel City
$5.47 each
BOX UP & SAVE 17%
$227.00 box of 50
$4.54 each
In Stock
Get 147 by Thu, Dec 19
In Stock
Get 147 by Thu, Dec 19
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Galvanized Steel Bracket to Stud Box Support, 2-1/2 - 3-5/8" Depth
$2.40 each
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
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16" Horizontal Mounting Bracket
$9.97 each
BOX UP & SAVE 14%
$215.25 box of 25
$8.61 each
In Stock
Get 14 by Thu, Dec 19
In Stock
Get 14 by Thu, Dec 19
Compare
3 Point Box-to-Stud Mounting Bracket
3 Point Box-to-Stud Mounting Bracket
SKU: SSF-SH2346
Steel City
SKU: SSF-SH2346
Brand: Steel City
$2.82 each
BOX UP & SAVE 20%
$113.50 box of 50
$2.27 each
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
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2-Gang Square Box Partition
$10.59 each
In Stock
Get 23 by Thu, Dec 19
In Stock
Get 23 by Thu, Dec 19
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1" - 2" Ceiling Box Support Bracket
$1.72 each
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
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14-1/2" - 26-1/2" Adjustable Bar Hanger w/ Stud, 50 lbs. Max Load
$6.48 each
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
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14-1/2" - 26-1/2" Adjustable Bar Hanger w/ Fastener, 50 lbs. Max Load
$8.84 each
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
Backorder
Get it by Fri, Jan 17 - Fri, Feb 14
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15" - 24" SliderBar Adjustable Unbent Box Mounting Bracket
$6.61 each