On Mon, 18 Aug 2008 23:26:04 +0100, "Steven Campbell"
wrote:

I just used normal trunking and screwed it into the chased wall. Inserted
the cables and then clipped the lid onto the trunking. This was firm enough
to plaster over.

That's fine as long as you remember that the cable is effectively
buried. Right angle bends in trunking will make it virtually
impossible to 'cut and draw' to replace a cable.

--
Frank Erskine