Peter wrote:

Fixed appliances must be earthed when you remove a plugtop from a socket
outlet you remove the earth therefore a double pole switch should be
provided maintaining the earth bonding.

Piffle (in the domestic situation). You're seriously suggesting that the
Regs somehow forbid having a washing machine, built-in microwave,
wall-mounted convector heater, yada yada, sitting in a room,
disconnected from the mains by virtue of being unplugged!? That they're
supposed to have the Magic Green-n-Yellow Wire continuously attached
from the moment they cross the threshold? Ye cannae be serious, jimmee...