Dual (1G+1G) Dry Lining Box (White)

The dual 1G+1G dry lining box is exactly what it sounds like: two single gang boxes in one moulded unit, designed for plasterboard and stud partition walls. Used constantly on first fix electrical work, these boxes take the place of fitting two separate back boxes side by side, which saves time and keeps things neat behind the board. Whether you are running twin sockets, a socket and switch combination, or two separate circuits to the same location, this box handles it without fuss.

Available in both 35mm and 45mm depths, there is enough room for standard socket and switch modules in either depth, though the 45mm version gives installers a little more breathing room when cables are bulky or connections are tight. Worth bearing in mind if you are pulling in twin and earth plus a spur — that extra 10mm makes a difference at the back of the box.

Where the Dual 1G+1G Dry Lining Box Gets Used

Dry lining boxes are the go-to choice wherever plasterboard meets electrical installation. New build housing, office fit-outs, partition wall installations, loft conversions — the list is fairly long. The lugs on the sides grip the plasterboard as the screws are tightened, pulling the box flush and holding it firmly without the need for any additional fixings into the stud. That makes installation quick, even when access is tight or the stud spacing is awkward.

Depth Selection

The 35mm depth works well for most standard installations. The 45mm is the better choice when you are expecting a lot of cable or fitting deeper back box accessories. If in doubt, go deeper — you will not regret it when it comes time to terminate.

The dual 1G+1G dry lining box is a white finish unit and sits flush and clean behind faceplates once installed. It is a simple product, but getting the right depth from the start avoids the kind of rework that nobody wants on a busy site.