53151-1/2 Square Box Extension Ring - Electrical Box Extension

The Steel City® 53151-1/2 Square Box Extension Ring is a pre-galvanized steel extension ring designed for use in electrical construction. It provides additional cubic capacity to 4-inch square electrical boxes, making it suitable for contractors and electrical distributors requiring reliable and durable wire management solutions. This extension ring is part of Steel City's industry-leading line of metallic switch and outlet boxes and accessories, known for high-quality manufacturing and innovative design. The product is ideal for applications requiring increased box volume and secure mounting in lighting solutions, wire and cable installations, and switchgear setups.

Specifications

• Material: Steel
• Color: Silver
• Dimensions: 4 Inch Width x 4 Inch Height x 1-1/2 Inch Depth
• Cubic Capacity: 21 cubic inches
• Number of Knockouts: 12
• Number of Outlets: 1
• Product Weight: 22.0 lbs
• Manufacturer: Steel City
• Manufacturer Part Number: 53151 1/2
• Standards: UL E2969
• UPC: 785991167757

Features

• Pre-galvanized steel construction for corrosion resistance and durability
• Designed to increase cubic capacity of standard 4-inch square electrical boxes
• 12 knockouts provide versatile conduit entry options
• Compatible with a variety of electrical boxes and switchgear assemblies
• Silver finish for professional appearance and corrosion protection
• Part of Steel City‚Äôs trusted product line known for innovative design and contractor-focused improvements

Downloads & Links

• Catalog
• Specification/Technical
• Catalog