ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades Are these ring circuits?

Yes, it sounds as though the house was wired with radial circuits throughout. The IEE Regs. only recognize a ring circuit which is fed by a 30 or 32A fuse/MCB.

The Regs. have always allowed BS1363 outlets to be wired on 20 or 30A radial circuits. The actual permissible number of outlets and floor area per circuit have changed regularly, however.