Eaton Crouse-Hinds 4" Square Outlet Box, MSB, Welded Steel, 1-1/2" Deep, 22 Cu In, with AC/MC Clamps

Eaton Crouse-Hinds 4" Square Outlet Box with AC/MC Clamps

Professional-Grade Steel Construction for Commercial Electrical Installations

The Eaton Crouse-Hinds 4" Square Outlet Box is a professional-grade electrical enclosure engineered for commercial and industrial wiring applications. This welded steel outlet box delivers superior strength and reliability with integrated AC/MC cable clamps and generous 22.0 cubic inch capacity for complex electrical connections.

Key Features & Benefits

Superior Construction & Durability

• Welded Steel Construction - Provides exceptional strength and dimensional stability for long-term reliability
• Professional-Grade Materials - Steel construction ensures superior impact resistance compared to stamped alternatives
• Precision Manufacturing - Consistent dimensions and smooth edges facilitate faster, cleaner installations
• Corrosion Resistant Finish - Factory applied coating protects against environmental degradation

Installation Efficiency & Versatility

• Integrated AC/MC Cable Clamps - Built-in clamps eliminate need for separate cable connectors, reducing material costs
• Multiple Conduit Openings - Four 1/2" knockouts, two additional 1/2" entries, and one 3/4" knockout provide maximum flexibility
• 22.0 Cubic Inch Capacity - Generous interior space accommodates multiple devices and complex wiring configurations
• 1-1/2" Depth - Standard depth fits most wall construction while providing adequate wire bending space

Code Compliance & Safety

• NEC/CEC Compliant Design - Meets all applicable electrical code requirements for outlet box installations
• Proper Fill Calculations - 22.0 cubic inch capacity clearly marked for accurate conductor fill calculations
• Grounding Continuity - Welded construction ensures reliable equipment grounding path
• Professional Listing - Manufactured to rigorous electrical industry standards

Technical Specifications

This 4" x 4" square outlet box features welded steel construction with 1-1/2" depth and 22.0 cubic inch internal capacity. The box includes four 1/2" conduit knockouts, two additional 1/2" cable entries, and one 3/4" knockout for maximum wiring flexibility. Integrated AC/MC cable clamps accommodate armored cable installations without additional connectors. The welded construction provides superior strength compared to drawn boxes, while the steel material offers excellent durability for commercial applications. NEC/CEC compliant design ensures code compliance in ordinary locations.

Installation Process

1. Select appropriate mounting location ensuring adequate clearance for box depth and cover installation
2. Secure box to structural member using appropriate fasteners for mounting surface
3. Remove required knockouts using proper knockout tools to prevent damage to threads
4. Install conduit connections using appropriate connectors for conduit type and size
5. Route AC/MC cables through integrated clamps, ensuring proper cable support and strain relief
6. Complete wiring connections following NEC/CEC requirements for conductor fill and splicing
7. Install appropriate cover or device mounting bracket to complete installation

Applications

Perfect for:

• Commercial Office Buildings - Outlet and switch installations in office spaces, conference rooms, and common areas
• Industrial Facilities - Equipment connections and control wiring in manufacturing and processing environments
• Retail Installations - Point-of-sale systems, display lighting, and general power distribution
• Educational Facilities - Classroom electrical systems, laboratory installations, and administrative areas
• Healthcare Facilities - Patient room electrical systems, equipment connections, and support areas
• Municipal Buildings - Government facilities, public buildings, and infrastructure projects
• Mixed-Use Developments - Multi-tenant buildings requiring reliable electrical distribution systems
• Renovation Projects - Electrical system upgrades and expansions in existing buildings

Square Outlet Box System Benefits

Square outlet boxes provide superior capacity and versatility compared to standard rectangular boxes, making them ideal for complex wiring applications. The 4" x 4" configuration offers maximum cubic inch capacity while maintaining compatibility with standard wall construction. Multiple knockout options accommodate various conduit and cable types, while the generous interior space simplifies wire management and device installation. This flexibility makes square boxes the preferred choice for commercial applications where future modifications may be required.

Why Choose Welded Steel Construction?

Welded steel construction provides superior strength and dimensional stability compared to drawn or stamped alternatives. The welding process creates a monolithic structure that resists deformation under load and provides excellent grounding continuity. Steel material offers superior impact resistance and durability in demanding commercial environments. Combined with Eaton Crouse-Hinds' century of electrical manufacturing expertise, this outlet box delivers the reliability and performance that electrical professionals demand for critical installations.