You will require an inset mounting box to flush mount a socket.
On Masonry
Place the metal mounting box against the wall at the desired location and draw round it
with a pencil. Mark a path from the location of the mounting box for the cable to reach it,
e.g. from the skirting. Remove the plaster from within the marked area by first scoring the
pencil line you have drawn and then using a masonry chisel and hammer.
Once the brick is
exposed where the mounting box is to go, some of the brick will have to be removed. To do
this fit a drill with a masonry bit and mark the depth of the mounting box on the bit. Next
drill into the brick in a grid pattern as shown here:
O O O O O
O O O O O
O O O O O
O O O O O
Finally use a masonry chisel and hammer to cut away the remainder of the depth required
for the mounting box. Make sure the box fits and then mark and drill holes to attach the
mounting box to the brick behind. Use wall plugs in the drilled holes to secure the box
. Pull through the length of
cable required and attach the mounting box in the hole.
Finish the job by plastering around the box and the cable channel as necessary.
On Plasterboard
Once you have decided where the socket is going to be located, draw round the mounting box
on the wall ensuring that it is horizontal using a spirit level. The hole should then be cut in the plaster
wall using a sharp knife. Feed the cable through the hole then choose the best hole to
remove in the mounting box and knock it out.
Fit a grommet to the cable entry hole and fit
two lugs to the mounting box. Then pass the cable through the grommet and slide the box into
the wall so that both of the lugs are behind the wall. The box should now sit behind the
wall in position. The socket can then be wired up and screwed in place. By screwing the socket
in place it clamps the plasterboard between the lugs and the socket.