Arlington Industries Plated Steel Reducing Washer - 4" to 2-1/2" Knockout Reducer

Arlington Industries Plated Steel Reducing Washer - 4" to 2-1/2" Knockout Reducer

Professional Knockout Size Conversion Made Simple

The Arlington Industries Plated Steel Reducing Washer is an innovative knockout adapter designed to solve oversized opening challenges. This plated steel reducing washer features precision-engineered dimensions for seamless 4" to 2-1/2" knockout conversion, delivering the reliable fit and professional finish that electrical contractors demand.

Innovative Features & Benefits

Precision Engineering

• Exact Size Conversion - Reduces 4" knockout to perfect 2-1/2" opening without gaps or misalignment
• Plated Steel Construction - Superior corrosion resistance and durability for long-lasting installations
• Smooth Edge Design - Prevents wire damage and ensures safe cable routing
• Universal Compatibility - Works with standard electrical boxes and enclosures

Installation Efficiency

• Drop-In Design - No threading or complex assembly required
• Secure Fit - Stays in place during connector installation
• Professional Appearance - Clean, finished look for visible installations

Technical Specifications

Reduces 4" knockout opening to 2-1/2" knockout size, constructed from durable plated steel with corrosion-resistant finish. Dimensions: 5.500" height. UL and CSA listed for safety compliance. Standard packaging: 10 pieces per package for contractor convenience.

Quick Installation Process

1. Verify 4" knockout opening is clean and free of burrs
2. Insert reducing washer into knockout from inside of enclosure
3. Ensure washer sits flush against enclosure wall
4. Install 2-1/2" connector or fitting through reduced opening
5. Tighten connector to secure both fitting and reducing washer
6. Verify secure installation and professional appearance

Perfect Applications

Ideal for:

• Panel Modifications - Retrofit installations requiring smaller connector sizes
• Equipment Upgrades - Adapting existing enclosures for new components
• Commercial Buildings - Professional electrical installations and renovations
• Industrial Facilities - Heavy-duty applications requiring reliable connections
• Residential Projects - Service panel and subpanel installations
• Maintenance Work - Repair and replacement applications
• New Construction - Standardizing knockout sizes across installations
• Code Compliance - Ensuring proper fit for safety requirements

Knockout Reduction Advantage

Arlington's reducing washer eliminates the need for oversized connectors or makeshift solutions, providing a professional method to adapt knockout sizes while maintaining electrical code compliance and installation integrity.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has engineered practical solutions for electrical installation challenges. This reducing washer represents our commitment to providing contractors with time-saving, professional-grade components that ensure reliable, code-compliant installations every time.