On 01/02/2021 12:30, John Rumm wrote:

Possibly overkill in domestic so long as all the sockets are when you
would expect them to be according to the main CU labels. (e.g. if a
"Downstairs Sockets" label on a MCB accurately identifies everything
that is controlled by it without exceptions).


http://wiki.diyfaq.org.uk/index.php/File:EICRfail.jpg

Last thing I saw at work yesterday.

That is as how I found it.

TT installation with no RCD or ELCB.




--
Adam