Mulberry 30229 Die-Cast Aluminum 1-Gang Box Extension, Powder-Coated

Mulberry 30229 Die-Cast Aluminum 1-Gang Box Extension, Powder-Coated

The Mulberry 30229 is a 1-Gang Box Extension crafted from die-cast aluminum with a powder-coated finish, designed to add usable depth to standard single-gang electrical boxes. Measuring 2.75-Inch x 4.5-Inch x 1-Inch, this extension ring mounts between the existing device box and the wiring device to create the additional interior volume electricians need when a box is overcrowded with conductors, connectors, or devices. Because it is sized specifically for 1-gang applications, it drops into standard single-gang rough-ins without requiring a full box replacement. The rugged die-cast aluminum body and protective powder-coated finish make it a dependable choice for both new device box installations and box-depth retrofit work on commercial and residential jobs.

Key Features

• Overall Dimensions: 2.75-Inch x 4.5-Inch x 1-Inch extension ring sized to fit standard 1-gang device boxes.
• Durable Construction: Die-cast aluminum body resists corrosion and impact for long-term reliability on the job site.
• Single-Gang Configuration: Sized for 1-gang electrical boxes, simplifying wiring device and cover plate installation.
• Added Depth: The 1-Inch extension depth provides additional wiring clearance and box-fill volume behind installed devices.
• Finish: Powder-coated finish adds an extra layer of durability against wear, scuffing, and handling during installation.
• Retrofit-Friendly: Mounts to an existing 1-gang box, so crews can add depth without swapping out the entire box assembly.
• Solid Aluminum Build: Die-cast construction holds its shape and screw threads through repeated device servicing.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Commercial and Residential Electrical Installations
• Single-Gang Device Box Depth Extensions
• Renovation and Retrofit Wiring Projects
• New Construction Electrical Rough-In
• Wiring Device and Cover Plate Mounting
• Box-Fill Compliance on Crowded Single-Gang Boxes

Why Mulberry?

Mulberry builds this box extension from die-cast aluminum with a powder-coated finish, giving electrical professionals a rugged, corrosion-resistant component for extending 1-gang box depth. The solid aluminum construction holds up to repeated device installation and servicing, while the powder-coated finish protects against the wear that comes with job-site handling. Together, these qualities support reliable, code-compliant device installations across commercial and residential electrical work, making the Mulberry 30229 a practical fix whenever an existing single-gang box needs more room.