Product Overview

A durable steel extension ring designed to expand existing switch boxes, providing additional wiring capacity while maintaining code compliance.

Key Features

✔ Heavy-Duty Construction: 1-1/2" deep drawn steel with pre-galvanized finish
✔ Versatile Knockouts: (8) ½" + (4) ¾" pre-punched openings
✔ Code Compliant: UL 514A & CSA C22.2 approved
✔ High Capacity: 22.5 cubic inches of added space

Technical Specifications

• Material: Pre-galvanized sheet steel

• Dimensions: 4" × 4" × 1-1/2"

• Knockouts: 12 total (8 × ½" + 4 × ¾")

• Packaging: 25 units per carton

Applications

• Expands existing switch box capacity

• Accommodates additional wiring devices

• Ideal for commercial/industrial retrofits

• Compatible with standard 4" square boxes