Orbit 4SB5075E Welded Steel Deep 4-11/16" Square Extension Ring

Orbit 4SB5075E Welded Steel Deep 4-11/16" Square Extension Ring

The Orbit 4SB5075E is a deep, 4-11/16" square (5S) extension ring built with fully welded steel construction and pre-punched with 1/2" and 3/4" knockouts (KO). Designed to add depth to existing 4-11/16" square electrical boxes, this extension ring is available in depth options of 1-1/2" and 2-1/8" to provide the additional wiring space electricians and contractors need for junction, device, or outlet applications. The welded seams deliver a solid, rigid box extension, while the integrated 1/2" and 3/4" knockouts allow for flexible conduit entry without additional field drilling. This extension ring is a practical, no-adapter solution for adding capacity to an existing 4-11/16" square box footprint in commercial, industrial, and residential electrical work.

Key Features

• Trade Size: 4-11/16" square (5S) footprint matches standard 4-11/16" square electrical boxes for a direct, no-adapter fit.
• Depth Options: Available in 1-1/2" and 2-1/8" depths to add the interior volume needed for conductors, devices, and splices.
• Welded Construction: Fully welded seams deliver a rigid, one-piece extension ring that resists flexing and separation compared to non-welded alternatives.
• Dual Knockouts: Pre-punched with 1/2" and 3/4" knockouts (KO) for straightforward conduit entry in mixed trade-size installations.
• Steel Build: Constructed of steel for durability and long-term structural performance in box extension applications.
• Square Ring Design: The square profile matches standard 4-11/16" square box mounting patterns, simplifying installation onto existing boxes.

Technical Specifications

• Ring Type: Deep 4-11/16" Square (5S) Extension Ring
• Construction: Welded
• Knockouts: 1/2" & 3/4" KO
• Available Depths: 1-1/2" and 2-1/8"

Typical Applications

• Commercial and Industrial Electrical Box Extensions
• Junction Box Depth Additions
• Conduit and Raceway Systems Requiring Extra Box Volume
• Panelboard and Device Box Wiring Space Expansion
• Renovation and New Construction Electrical Installations

Why Orbit?

Orbit's 4SB5075E extension ring combines welded steel construction with practical dual knockouts to give electrical professionals a dependable way to add depth and capacity to existing 4-11/16" square boxes. Available in 1-1/2" and 2-1/8" depths, it lets installers select the exact volume needed for the job. Its rigid, one-piece welded build is designed to hold up to the demands of professional electrical installations, making it a reliable choice for extending box capacity without compromising structural integrity.