
Appleby SB623 1 Gang 16mm Flush Steel Back Box
The Appleby SB623 1 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 1 gang configuration make it straightforward to match the box or accessory to the intended wiring device before installation.
The published dimensions are 70 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 3 fixed lugs and smooth cable entry and knockouts, 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 SB623; check the code carefully when matching it to an existing specification or repeat order.
Key Features
- Appleby product code SB623
- 1 Gang format
- 16mm depth
- 70 x 70 x 16mm published size
- smooth cable entry and knockouts
- 1 adjustable lug and 3 fixed lugs
- Designed for professional electrical installation
Technical Specification
| Brand | Appleby |
|---|---|
| Part No | SB623 |
| Product | 1 Gang 16mm Flush Steel Back Box |
| Format | 1 Gang |
| Depth | 16mm |
| Dimensions | 70 x 70 x 16mm |
| Material | Steel |
| Cable entry / function | smooth cable entry and knockouts |
| Fixing | 1 adjustable lug and 3 fixed lugs |
Pairs well with

Appleby SB623 1 Gang 16mm Flush Steel Back Box
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