Appleby SB633 2 Gang 16mm Flush Steel Back Box

The Appleby SB633 2 gang 16mm flush steel back box is a practical installation component for professional electrical work in domestic, commercial and refurbishment projects. Its 16mm format and 2 gang configuration make it straightforward to match the box or accessory to the intended wiring device before installation.

The published dimensions are 130 x 70 x 16mm, helping installers check wall space, cut-out planning and accessory compatibility before ordering.

Manufactured as a flush steel box, it provides a robust mounting point behind a compatible wiring accessory.

The design includes 1 adjustable lug and 1 fixed lug and knockouts for grommet entry, giving useful options for cable routing and secure accessory alignment. It is suited to concealed installations where a durable metal enclosure and an orderly first-fix result are required.

For best results, confirm the accessory size, cable-entry requirements and wall construction before fitting.

Installation should be completed by a suitably competent person in accordance with current wiring regulations and project requirements.

This listing refers to product code SB633; check the code carefully when matching it to an existing specification or repeat order.

Key Features

• Appleby product code SB633
• 2 Gang format
• 16mm depth
• 130 x 70 x 16mm published size
• knockouts for grommet entry
• 1 adjustable lug and 1 fixed lug
• Designed for professional electrical installation

Technical Specification