Description
Steel City 52171 1/2 & 3/4E Pre-Galvanized Steel Square Box
The Steel City 52171 1/2 & 3/4E steel square box is engineered for durability, code compliance, and reliable conduit-based wiring systems. Manufactured by Thomas & Betts (ABB – Steel City® brand), this 4-inch square box delivers contractor-grade performance in commercial, industrial, and residential installations.
Constructed from pre-galvanized alloy steel, this box resists corrosion while maintaining structural strength in demanding environments. The welded design enhances rigidity and ensures long-term performance on the job site.
With a 2-1/8 inch depth and 30.3 cubic inch capacity, it provides ample space for conductor splicing and device mounting.
Integrated 1/2-inch and 3/4-inch eccentric knockouts allow flexible conduit entry while maintaining alignment and strength. The built-in ground bump ensures proper equipment grounding without additional modifications.
Designed for use with conduit systems, this box meets professional installation standards and is suitable for a wide range of electrical applications.
Key Features
4″ x 4″ Steel Square Electrical Box
2-1/8″ Deep
30.3 Cubic Inch Capacity
1/2″ & 3/4″ Eccentric Knockouts
Integrated Ground Bump for Reliable Grounding
Welded Construction for Added Strength
Pre-Galvanized Steel Finish
Designed for Conduit Applications
Manufactured by Thomas & Betts (Steel City®)
Applications
Commercial electrical installations
Industrial conduit systems
Residential branch circuits
Junction and pull box installations
Device mounting with square box covers
✅ TECHNICAL SPECIFICATIONS
Specification Details
Manufacturer Thomas & Betts (ABB)
Brand Steel City®
Catalog Number 52171 1/2 & 3/4E
Box Type Square
Dimensions 4″ x 4″
Depth 2-1/8 Inch
Capacity 30.3 Cubic Inches
Material Pre-Galvanized Alloy Steel
Knockouts 1/2″ & 3/4″ Eccentric
Grounding Integrated Ground Bump
Application For Use With Conduit
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