Southwire 72171-3/4-1W-UPC Welded Junction Box

Ensure a secure, heavy-duty housing for your electrical wiring, switches, and receptacles with the Southwire 72171-3/4-1W-UPC Welded Junction Box. Measuring 4-11/16 inches square with an extra-deep 2-1/8 inch profile, this industrial-grade box provides ample internal volume for larger conductors, multiple splice connections, and bulky devices.

Constructed from premium, heavy-gauge galvanized steel, the welded design offers superior structural rigidity and grounding continuity. It features strategically placed 3/4" knockouts for smooth, fast conduit entry, along with an integrated 1W grounding bracket to streamline your installation and save time on the job site. Code-compliant and built for professional-tier reliability, this junction box is the ideal choice for commercial, industrial, and heavy residential electrical layouts.

Key Features:

Extra Deep Capacity: 2-1/8" deep profile provides maximum cubic-inch capacity for thick gauge wiring and multiple splices.

Rugged Welded Construction: Heavy-duty galvanized steel design ensures maximum structural integrity and corrosion resistance.

3/4" Knockouts: Precision-stamped knockouts allow for fast, hassle-free connection to 3/4-inch EMT or rigid conduit.

Integrated 1W Grounding: Built-in grounding bracket simplifies wiring and ensures a code-compliant, safe installation.