1 Gang 47mm Galvanised Stainless Steel Metal Flush Back Box

A reliable foundation for any wall-mounted electrical fitting, this 1 gang metal back box offers secure, flush installation in plasterboard or masonry walls. Designed for standard UK switch and socket plates, it features a 47mm depth to accommodate wiring comfortably whilst maintaining a neat, recessed finish. Part of our core range of electrical accessories, this galvanised steel box resists corrosion and provides robust support for everyday use. Available in a single silver finish, it’s ideal for both domestic and light commercial projects where durability and compliance matter. Suitable for use with all standard 1 gang faceplates, this metal back box ensures safe, tidy installations across new builds and renovations alike. Explore more options in our dedicated back boxes collection.

Key Features

• 47mm deep galvanised steel construction for corrosion resistance
• Compatible with all standard 1 gang switch and socket plates
• Multiple knockouts for flexible cable entry on sides
• Recessed design for flush mounting in plasterboard or brick
• Includes internal terminals and mounting lugs for secure fixing
• Meets UK electrical safety standards for concealed wiring
• Ideal for use as a metal back box in dry indoor locations

FAQs

What wall types can this 1 gang back box be installed into?

This back box is suitable for installation in plasterboard, timber stud walls, and masonry (with appropriate fixings). For solid walls, use wall plugs and screws through the mounting lugs at the base. Always ensure the box is securely fixed before fitting faceplates.

Does this stainless steel back box include knockouts for cables?

Yes, it features multiple pre-punched circular and oval knockouts on the side panels, allowing easy tool-free entry for twin & earth or T&E cables. Additional knockouts can be removed as needed for multi-way wiring configurations.