Crouse-Hinds 4" Steel Switch Box Extension Ring 1-1/2" Deep with Welded Construction

Crouse-Hinds 4" Steel Switch Box Extension Ring 1-1/2" Deep with Welded Construction

Professional electrical box extension solution for enhanced wiring capacity

The Crouse-Hinds 4" Steel Switch Box Extension Ring delivers reliable performance for extending switch box installations where additional depth and wiring capacity are required. Featuring welded steel construction and 1-1/2" depth, this extension ring provides 21 cubic inches of capacity for professional electrical installations in ordinary/non-hazardous locations.

Professional Features & Benefits

• 21 Cubic Inch Capacity: Provides ample space for wire connections and electrical components in extended installations
• Welded Steel Construction: Ensures structural integrity and long-lasting durability in demanding electrical applications
• 1-1/2" Extension Depth: Adds necessary depth for proper wire management and component clearance
• Multiple Knockout Options: Features (8) 1/2", (4) 1/2", and (1) 3/4" knockouts for versatile conduit connections
• 4" Standard Size: Compatible with standard switch box configurations for seamless integration
• NEC/CEC Compliant: Meets electrical code requirements for safe and code-compliant installations

Technical Specifications

• Area Classification: Ordinary/Non-Hazardous Locations
• Box Size: 4"
• Capacity: 21 cubic in
• Construction: Welded
• Depth: 1-1/2"
• Product Details: For use as extension with switch box, not 4 square box
• Product Height: 1.5 in
• Product Length Depth: 4 in
• Product Material: Steel
• Product Weight: .5 lb
• Product Width: 4 in
• Side Knockouts: (8) 1/2 in, (4) 1/2 in, (1) 3/4 in E
• Standards Type: NEC/CEC

Installation & Operation

1. Mount the extension ring to the existing switch box ensuring proper alignment and secure attachment.
2. Connect conduit through appropriate knockouts following applicable guidelines and manufacturer's instructions.
3. Route wiring through the extension ring maintaining proper fill ratios and wire management practices.
4. Install electrical devices and components within the extended box space as required by the application.
5. Verify all connections are secure and properly terminated before energizing the circuit.
6. Complete final inspection ensuring compliance with local electrical codes and safety requirements.

Professional Applications

• Residential electrical installations requiring additional box depth
• Commercial building electrical systems
• Industrial facility wiring extensions
• Renovation projects with space constraints
• Multi-unit residential properties
• Professional office buildings
• Retail and commercial establishments

Why Choose Crouse-Hinds Quality?

Crouse-Hinds delivers proven reliability through welded steel construction and NEC/CEC compliant design. This extension ring provides the professional-grade durability and performance required for demanding electrical installations, backed by the trusted quality that electrical professionals depend on for critical applications.