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Southwire®

4-Inch X 2-1/8-Inch Deep Welded Bracketed Square Box With Conduit Knockouts

Mfg.#
52171-SWB-UPC
Sku#
3615721
  • Has a 30.3 cu. in. capacity
  • Combination knockouts allow for greater wiring flexibility
  • Combination Phillips/Slotted screw heads.
  • Brackets: WB - Vertical Wood Spike

* Estimated stock levels as of Fri, Feb 27, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

Description

The Square Bracketed Box is used to distribute power to a number of electrical devices where multiple conductor runs are split into two or more directions. The combination knockouts allow for greater wiring flexibility. Phillips-slotted screw heads are highly compatible with this box. Additionally, this box is UL and RoHS compliant for safety.

Specifications

General

Capacity 30.3 cu in
Color Silver
Color Family Silver
Indoor/Outdoor Indoor
Knockout Size 9
Material Steel
Mounting Type Bracket
Number of Knockouts 9
Shape Square
Type Switch Box
Volume (Cu. In. ) 30.3 cu in

Dimensions

Depth 2.125 in
Height 7.1 in
Weight 0.8 lbs
Width 4.69 in

Manufacturing Details
The following information is subject to change without notice

Manufacturer Warranty 1 yr
Shop USA No

Label Information

Certification, Codes, Standards UL, RoHS Compliant

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