5S Extension Ring – 4-11/16" Square, 2-1/8" Deep | 42 cu in | Galvanized Steel | UL Listed

The 5S Extension Ring is designed to expand the wiring capacity of a standard 4-11/16" square electrical box. With 42 cubic inches of space, it’s ideal for complex or high-volume wiring jobs in residential, commercial, and industrial settings. Crafted from 16-gauge welded sheet steel and finished with a corrosion-resistant galvanized coating, this extension ring delivers strength, durability, and long-term performance.

Key Features:

• Expanded Capacity: Adds 42 cu in of volume for larger or more complex wiring setups

• Heavy-Duty Build: Constructed from welded 16 GA sheet steel for structural integrity

• Corrosion Resistance: Galvanized finish ensures long-term durability in demanding environments

• Knockouts: (2) 1/2" knockouts + (10) MKO knockouts for flexible cable and conduit configurations

• Dimensions: 4-11/16" x 4-11/16" x 2-1/8"

• Certifications: UL Listed and RoHS compliant for safety and compliance

• Installation: Designed for seamless integration with square electrical boxes

Built to Expand. Engineered to Last.
Whether it’s for a new build or a retrofit, this extension ring is a reliable solution for managing high-capacity wiring needs.