the yorkshire dalesman wrote:
Is it permissible to have 13A sockets on 2 different ring, (or a ring
and a radial) circuits serving the same area of the house? What
prompts this post is that IIRC it is standard advice that all
downstairs 13A sockets should be on an RCD circuit.

Yes, I don't think the wiring regulations say anything at all about
whether sockets in a room (or area) have to be supplied by a single
MCB.

There might be issues with different phases but that rarely applies in
a domestic supply.

--
Chris Green )