As part of the hall decorating I've replaced 3 of those bloody awful Georgian Brass (effect) light switches with nice white plastic ones.
In all three cases the earth was connected to the back box, but no link to the face plate.
Am I right in assuming that just isn't good enough? Shouldn't a link wire to the face be added?
Mind you, this was probably done by the same bloke who installed 2 x wall lights wired to power points with the cables going diagonally.