On Dec 13, 12:40 pm, wrote:
We have just moved into a new 1960s house and the upstairs ring main
has been extended into the loft by drilling a hole through the wall of
the back of a socket in one of the bedrooms into the airing cupboard.

2 X 2.5mm T+E then loops round the loft and back to the socket. So..
in the back of my socket I have 4 pairs of wires attached.

This to me seems wrong. I would have added a junction box in the
airing cupboard and then run one of the existing wires to that. I
would then loop from there round the loft and back to the socket.

Can anyone confirm if the way it's been done is acceptable. I would
have thought that this setup would mean an imbalance in the current
travelling round the ring.

Cheers.

Are all four cables terminated directly into the back of the socket
(four wires into each terminal)? If so then that is indeed incorrect.

One of the original pair of wires should be joined using crimps to one
of the new pairs of wires. The remaining old and new pairs should then
be terminated into the back of the socket.

Steve