The Southwire 52171-S-UPC 4" x 2-1/8" Square Box is a rugged, welded steel junction/outlet box designed for high-performance electrical installations. With a generous 30.3 cubic inch capacity and multiple knockout configurations, this box offers superior flexibility for routing conductors in commercial and residential applications. Its galvanized steel construction ensures durability and corrosion resistance, while compliance with UL and RoHS standards guarantees safety and environmental responsibility.

Ideal for indoor use, this box is NEMA 1 rated and includes raised ground provisions and combination Phillips/slotted screw heads for easy installation. Whether you're managing complex wiring layouts or standard power distribution, the 52171-S-UPC delivers reliable performance in a compact, square form factor.

Key Features

• Raised Ground Provision for secure grounding
• Combination Phillips/Slotted Screw Heads for versatile tool compatibility
• Welded Construction for enhanced structural integrity
• UL Listed & RoHS Compliant for safety and environmental standards
• Galvanized Steel Material for corrosion resistance
• 16 Total Knockouts for flexible conduit entry
• Indoor Rated with NEMA 1 classification
• 1-Year Limited Warranty

Specifications

• Shape: Square
• Material: Galvanized Steel
• Depth: 2-1/8 in
• Dimensions: 4 in x 4 in x 2-1/8 in
• Cubic Capacity: 30.3 cu in
• Knockouts:
  • Side: (8) 1/2 in, (4) 1/2 & 3/4 in combo
  • Bottom: (2) 1/2 in, (2) 3/4 in
• Total Knockouts: 16
• Application: Junction/Outlet Box
• Indoor Use: Yes
• NEMA Rating: NEMA 1
• Warranty: 1-Year Limited