Eaton Crouse-Hinds 4" Square Outlet Box, Steel, Welded Construction, 30.3 Cubic Inch, Heavy-Duty

Eaton Crouse-Hinds 4" Square Steel Outlet Box

Professional-Grade Welded Construction for Heavy-Duty Electrical Installations

The Eaton Crouse-Hinds 4" Square Steel Outlet Box is a heavy-duty electrical enclosure engineered for commercial and industrial conduit installations. This welded steel outlet box delivers superior strength and generous 30.3 cubic inch capacity for electrical contractors requiring reliable junction and device mounting solutions in demanding environments.

Key Features & Benefits

Heavy-Duty Steel Construction

• Welded Steel Design - Superior structural integrity compared to drawn boxes, ensuring long-term durability under mechanical stress
• Professional-Grade Materials - High-quality steel construction provides excellent grounding continuity and electromagnetic shielding
• Corrosion Resistance - Factory finish protects against environmental degradation in industrial applications
• Impact Resistance - Robust construction withstands jobsite handling and installation stresses

Generous Capacity & Versatile Configuration

• 30.3 Cubic Inch Capacity - Ample wire fill space exceeds NEC requirements for complex junction applications
• Multiple Conduit Entries - Accommodates various conduit sizes including 1/2" and 3/4" trade sizes for flexible system design
• 4" Square Format - Standard dimensions ensure compatibility with wide range of covers and devices
• 2-1/8" Depth - Optimal depth provides sufficient wire bending space while minimizing wall penetration

Installation Efficiency

• Pre-Punched Knockouts - Factory-prepared openings reduce installation time and ensure clean conduit connections
• Mounting Versatility - Compatible with various mounting methods for new construction and retrofit applications
• Contractor-Friendly Design - Consistent dimensions and quality reduce callbacks and installation issues

Technical Specifications

This 4" square outlet box features welded steel construction with 2-1/8" depth and 30.3 cubic inch internal capacity. The box includes multiple knockout configurations supporting 1/2" and 3/4" trade size conduit entries. NEC/CEC compliant design ensures code compliance for ordinary/non-hazardous locations. The welded construction method provides superior strength compared to drawn alternatives, making it ideal for heavy-duty commercial and industrial electrical installations where long-term reliability is essential.

Installation Process

1. Select appropriate mounting location ensuring adequate clearance for cover installation and wire access
2. Secure box to structural support using appropriate fasteners for mounting surface type
3. Remove required knockouts using proper knockout tools to prevent damage to adjacent openings
4. Install conduit connections ensuring proper grounding continuity through box construction
5. Route conductors maintaining proper bend radius and fill calculations per NEC Article 314
6. Install appropriate cover or device ensuring proper sealing and environmental protection

Applications

Perfect for:

• Commercial Buildings - Office complexes, retail facilities, and institutional installations requiring reliable junction points
• Industrial Facilities - Manufacturing plants, processing facilities, and heavy industrial environments
• Electrical Panel Extensions - Distribution system expansions and equipment connections
• Motor Control Centers - Junction boxes for motor circuits and control wiring applications
• Conduit System Junctions - Complex routing situations requiring multiple conduit connections
• Device Mounting - Switches, receptacles, and control devices in commercial/industrial settings
• Municipal Infrastructure - Schools, government buildings, and public facility electrical systems
• Heavy-Duty Applications - Environments requiring superior mechanical protection and long-term reliability

Square Outlet Box System Benefits

Square outlet boxes provide superior capacity and versatility compared to round or octagonal alternatives. The 4" square format offers maximum wire fill capacity while maintaining compatibility with standard electrical devices and covers. This configuration is particularly valuable in commercial and industrial applications where multiple circuits converge or where future expansion capability is important. The generous internal volume reduces wire crowding and simplifies installation of complex wiring configurations.

Why Choose Welded Steel Construction?

Eaton Crouse-Hinds welded steel construction delivers superior strength and durability compared to drawn box alternatives. The welding process creates stronger corner joints that resist deformation under mechanical stress, while the steel material provides excellent grounding continuity and electromagnetic shielding properties. This professional-grade construction ensures decades of reliable service in demanding commercial and industrial electrical installations, making it the preferred choice of electrical contractors who demand long-term performance and code compliance.