Arlington Industries Plated Steel Reducing Washer - 4" to 3" Knockout Reducer

Arlington Industries Plated Steel Reducing Washer - 4" to 3" Knockout Reducer

Professional Knockout Size Reduction Solution

The Arlington Industries Plated Steel Reducing Washer is an innovative knockout adapter designed to solve oversized knockout problems. This plated steel reducing washer features precision engineering for seamless 4" to 3" knockout reduction, delivering the reliable fit and professional finish that electrical contractors demand.

Innovative Features & Benefits

Precision Engineering

• Exact Size Reduction - Reduces 4" knockout to perfect 3" opening in seconds
• Plated Steel Construction - Superior corrosion resistance and long-lasting durability
• Precision Fit Design - Eliminates gaps and ensures professional appearance
• Universal Compatibility - Works with standard electrical enclosures and panels

Installation Advantages

• No Cutting Required - Eliminates time-consuming knockout modifications
• Instant Solution - Transforms oversized openings without panel replacement
• Professional Finish - Clean, finished appearance every time

Technical Specifications

Reduces 4" knockout to 3" knockout opening, plated steel construction, 5.5" height dimension, UL and CSA listed for safety compliance, silver finish for professional appearance, standard packaging of 10 pieces.

Quick Installation Process

1. Verify 4" knockout opening size and clean edges
2. Position reducing washer over knockout from inside panel
3. Align washer for proper fit and coverage
4. Secure in place using appropriate fastening method
5. Install 3" connector or device through reduced opening
6. Verify secure fit and professional appearance

Perfect Applications

Ideal for:

• Panel Modifications - Electrical panels requiring smaller knockout sizes
• Equipment Upgrades - When replacing larger devices with smaller ones
• Retrofit Projects - Adapting existing installations to new requirements
• Commercial Buildings - Office buildings, retail spaces, and warehouses
• Industrial Facilities - Manufacturing plants and processing facilities
• Residential Applications - Service panels and sub-panels in homes
• Maintenance Work - Repair and upgrade projects requiring size adaptation
• New Construction - When panel knockouts don't match device requirements

Reducing Washer Advantage

Arlington's reducing washer eliminates the need for expensive panel replacement or difficult knockout modifications, providing an instant, professional solution that saves time and money while ensuring code compliance.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has solved electrical installation challenges with innovative products that save time and ensure professional results. This reducing washer represents decades of engineering expertise focused on practical solutions for real-world electrical applications.