A.Lee wrote:
A.Lee wrote:

A picture of the incoming supply and meter would help a lot.
It could be a TN-S supply,

That should be TN-C-S, where an earth is not supplied by the electric
company, the earth is connected to the neutral (dont do this
yourself).

Alan.

The company does supply the earth for both TN-C-S and TN-S.

They do not provide an earth for a TT supply

--
Adam