Eaton Crouse-Hinds 4" Square Outlet Box, MSB Welded Steel, 2-1/8" Deep, 30.3 Cu In Capacity

Eaton Crouse-Hinds 4" Square Steel Outlet Box with 30.3 Cubic Inch Capacity

Professional-Grade Welded Construction for Heavy-Duty Commercial Installations

The Eaton Crouse-Hinds 4" Square Steel Outlet Box is a heavy-duty electrical enclosure engineered for demanding commercial and industrial applications. This welded steel outlet box delivers exceptional strength and reliability with 30.3 cubic inches of wiring capacity, making it ideal for complex electrical installations requiring multiple conduit connections and extensive wire management.

Key Features & Benefits

Superior Construction & Durability

• Welded Steel Construction - Provides maximum structural integrity and long-term reliability in demanding environments
• 4" Square Design - Standard commercial size accommodates multiple devices and complex wiring configurations
• 2-1/8" Depth - Generous interior space for wire connections and device mounting
• 30.3 Cubic Inch Capacity - Exceeds NEC fill requirements for most commercial applications

Flexible Conduit Connection Options

• Multiple Hub Configurations - Features (2) 1/2", (2) 1/2", and (1) 3/4" E knockouts for versatile conduit routing
• Conduit-Ready Design - No clamps included, allowing contractors to select appropriate connectors for specific applications
• Strategic Knockout Placement - Optimized positioning for efficient conduit runs and reduced installation time
• Professional Knockout Quality - Clean, precise openings that accept standard conduit fittings without modification

Code Compliance & Safety

• NEC/CEC Compliant - Meets all National Electrical Code and Canadian Electrical Code requirements
• Ordinary Location Rated - Suitable for standard commercial and industrial environments
• Grounding Continuity - Welded construction ensures reliable equipment grounding path
• Professional Installation Standards - Designed to support proper electrical system safety and performance

Technical Specifications

This 4" square outlet box measures 4" x 4" x 2-1/8" deep with a total volume of 30.3 cubic inches. The welded steel construction provides superior strength compared to drawn boxes, while the multiple knockout configuration includes (2) 1/2" trade size openings, (2) additional 1/2" openings, and (1) 3/4" E knockout. The box weighs 0.95 pounds and features a durable steel finish suitable for ordinary/non-hazardous locations. All knockouts are precisely formed to accept standard conduit connectors and fittings.

Installation Process

1. Select appropriate mounting location ensuring adequate support and accessibility
2. Remove required knockouts using proper knockout tools for clean, burr-free openings
3. Secure box to structural support using appropriate fasteners for mounting surface
4. Install conduit connectors in knockout openings, ensuring proper thread engagement
5. Route conduits to box location and secure with appropriate connectors
6. Pull conductors through conduits into box, maintaining proper bend radius
7. Make electrical connections following NEC/CEC requirements and manufacturer specifications
8. Install appropriate cover or device mounting bracket to complete installation

Applications

Perfect for:

• Commercial Office Buildings - Outlet installations, junction points, and device mounting
• Industrial Facilities - Equipment connections, control circuits, and power distribution
• Retail Environments - Display lighting, outlet circuits, and electrical device mounting
• Educational Facilities - Classroom outlets, equipment connections, and electrical distribution
• Healthcare Facilities - Patient room outlets, equipment connections, and specialized electrical systems
• Municipal Buildings - Government facilities, public buildings, and infrastructure projects
• Manufacturing Plants - Production equipment connections, control panels, and electrical distribution
• Warehouse Operations - Lighting circuits, equipment power, and electrical junction points

Square Outlet Box System Benefits

Square outlet boxes provide superior wiring capacity and flexibility compared to round or octagonal alternatives. The 4" square format accommodates multiple devices, complex wiring configurations, and provides ample space for wire connections while maintaining NEC fill requirements. The welded construction eliminates potential failure points found in drawn or assembled boxes, ensuring long-term reliability in demanding commercial environments.

Why Choose Welded Steel Construction?

Eaton Crouse-Hinds welded steel outlet boxes deliver superior strength and durability compared to standard drawn boxes. The welded seams eliminate weak points and provide consistent structural integrity throughout the box. This professional-grade construction, combined with over 100 years of Crouse-Hinds engineering excellence, ensures reliable performance in the most demanding electrical installations while providing contractors with the quality and dependability they trust.