DIYbanter - View Single Post

wrote:
remarkable. At least not something normally permitted here. But we do
have a permited 2 conductor wiring system, I forget the details, ISTR
maybe it uses MICC? I'm not sure, but I'm pretty positive there still
is one here, but it is not AFAIK permitted in domestic premises.

TN-C. Earthed concentric wiring (MICC). Very limited applications,
usually restricted to private generating plant or private transformer
supply. Not necessarily banned in domestic premises though, AFAIK.

Owain