Eaton Crouse-Hinds 4-11/16" Square Extension Ring, Steel, 2-1/8" Deep
Professional-Grade Steel Extension Ring for Increased Box Capacity
The Eaton Crouse-Hinds 4-11/16" Square Extension Ring is a professional-grade steel extension ring engineered for commercial and industrial electrical installations. This drawn steel extension ring delivers 42.0 cubic inches of additional capacity with multiple conduit entry options for electrical contractors requiring expanded box volume and flexible conduit connections.
Key Features & Benefits
Superior Construction & Durability
- Drawn Steel Construction - Provides exceptional strength and dimensional stability for long-term reliability
- Natural Steel Finish - Offers excellent corrosion resistance and professional appearance
- Precision Manufacturing - Ensures consistent fit with standard 4-11/16" square boxes and covers
- Professional-Grade Materials - Engineered to withstand demanding commercial and industrial environments
Flexible Conduit Entry Options
- Multiple Entry Sizes - Features (8) 1/2" and (4) 3/4" knockouts for versatile conduit connections
- Strategic Knockout Placement - Optimized positioning allows for efficient conduit routing and installation
- Clean Knockout Removal - Precision-formed knockouts ensure clean openings without sharp edges
- Expandable Configuration - Additional knockouts can be added as needed for custom applications
Enhanced Electrical Capacity
- 42.0 Cubic Inch Capacity - Provides substantial additional volume for wire connections and devices
- 2-1/8" Depth - Optimal depth for accommodating multiple circuits and wire nuts
- NEC/CEC Compliant - Meets code requirements for box fill calculations and installation standards
- Improved Wire Management - Additional space reduces wire crowding and simplifies connections
Technical Specifications
This extension ring features a standard 4-11/16" square configuration with 2-1/8" depth, providing 42.0 cubic inches of additional electrical capacity. Constructed from drawn steel with natural finish, it includes (8) 1/2" and (4) 3/4" knockouts for flexible conduit entry options. The unit weighs 0.84 pounds and measures 4.69" x 4.69" x 2.13", designed for compatibility with standard square electrical boxes and covers. Manufactured to NEC/CEC standards for ordinary/non-hazardous locations.
Installation Process
- Verify existing 4-11/16" square box is properly secured and meets load requirements
- Remove appropriate knockouts from extension ring using proper knockout tools
- Install conduit connectors in selected knockout openings before mounting
- Position extension ring on existing box, ensuring proper alignment of mounting holes
- Secure extension ring to existing box using appropriate machine screws
- Install conduits and complete electrical connections within the expanded volume
- Verify all connections are secure and box fill calculations comply with NEC/CEC requirements
- Install appropriate cover or device mounting plate to complete installation
Applications
Perfect for:
- Commercial Buildings - Office complexes, retail spaces, and healthcare facilities requiring expanded box capacity
- Industrial Facilities - Manufacturing plants, processing facilities, and warehouses with complex wiring needs
- Educational Institutions - Schools, universities, and training facilities with multiple circuit requirements
- Municipal Projects - Government buildings, public facilities, and infrastructure installations
- Renovation Projects - Upgrading existing electrical systems without replacing entire box assemblies
- Multi-Circuit Applications - Installations requiring multiple conduit entries and expanded wire capacity
- Device Mounting - Applications requiring additional depth for switches, receptacles, or control devices
- Junction Box Extensions - Expanding existing junction boxes for additional circuit connections
Square Extension Ring System Benefits
Square extension rings provide superior versatility compared to round or octagonal alternatives, offering maximum internal volume and multiple mounting options for devices and covers. The 4-11/16" square format is the industry standard for commercial and industrial applications, ensuring compatibility with the widest range of covers, devices, and mounting hardware. This standardization reduces inventory requirements and simplifies installation planning.
Why Choose Drawn Steel Construction?
Drawn steel construction offers superior strength and dimensional accuracy compared to stamped alternatives, ensuring consistent fit and long-term reliability. The drawing process creates uniform wall thickness and eliminates weak points common in stamped products. Combined with Eaton Crouse-Hinds' century of electrical innovation, this extension ring delivers the professional-grade performance that electrical contractors trust for critical commercial and industrial installations.
Manufacturer Resources
Product Specs
- Area Classification:
- Ordinary/Non-Hazardous Locations
- Box Size:
- 4-11/16"
- Product Height:
- 2.13 in
- Product Length Depth:
- 4.69 in
- Product Weight:
- .84 lb
- Product Width:
- 4.69 in
- Standards Type:
- NEC/CEC
- Product Type:
- Extension Ring
- Product Group:
- Electrical Fitting
- Department:
- Electrical
- Product Subgroup:
- Extension Ring
- Product Material:
- Steel