They can be made from either metal or plastic.
Electrical back box dimensions uk.
Wide selection of types and depths.
This means they usually require the wall to be chased and chiselled to provide the cut out.
This section lists our extensive selection of back boxes of varying depths and sizes in metal or plastic.
These are available on the site for our european customers who wish to use our audio video wall plates.
7 x 20mm 3 x 25mm.
A range of electrical back boxes uk size for use with our range of audio video wall plates.
The lugs on these back boxes are metal and normally fixed.
The metal back boxes are used in solid walls such as stone brick and breeze block walls.
Archway london n19 5se united kingdom registered in england.
Galvanised steel back boxes are commonly installed within hard or solid walls such as brick or stone.
Delivery 7 days a week.
Seriously 25mm back boxes for sockets are normally more than enough though a bit unclear when you say you can have 4 sets of cables in to a point why would you have that many on a conventional ring circuit or radial there are just 2 sets.
Essential for wiring installations.
Although cables may be joined inside back boxes due simply to their presence at convenient points in the wiring their main purpose is to accommodate switches and sockets.
10 x 20mm 10 x 25mm bs 5733 2010 k14206 1 35mm for edgetm in line combination plate k14205 k14207 1 47mm for edge in line combination plate k14205 fitted with two earth terminals.
Notes to the table above.
Minimum box depth box depth for extra wiring space minimum box depth dimensions 25mm 35mm for compliance to bs 1363 use either a 35mm back box or the k1000 pattress features l moulded on indicator flash on switches will not rub off totally safe l 3 pin operated safety shutter on 13a socket outlets usb 2 0 and 3 0 compatible.
The national electrical code article 314 contains complete details and tables of electrical box sizes in dimensions and cubic inches and should be consulted for complete accuracy because the actual size of the box required in cubic inches depends on the number of wires that will be within that enclosure.
Dimensions 392 x 75mm fixing centres 382 5mm knockouts 35mm left 2g box.
As you tighten the screws on the face plate it fits the face plate tight against the wall.
We offer single and double gang back boxes in plastic for cavity wall installation and surface mount.
4 x 20mm 4 x 25mm 47mm end boxes.