In article ,
"BigWallop" writes:

Cut the seal off the mains fuse and pull it out. Simple really. If you're
going to be pulling everything off the wall and installing all the gear in new
positions, then it might be best to pull the neutral supply out of the head as
well to be sure of not touching that to earth and causing sparks or tingles
through you body.

Once you're all done with the installation, then contact your supply company and
have them come do their tests, checks, prods about as they do, and re-seal the
head end for you.

Don't worry about cutting the seals off the mains head end cover and the
terminal cover of the meter, it is not against the law to do this, it's only the
seals of meter that are protecting the adjustment gear inside that really worry
the electricity suppliers.

I've done this a number of times but always asked the supplier first.
They were happy for me to pull the main fuse, but strictly do not
allow removal of the connection cover on the meter. (This might depend
on the meter, and the supplier.) I reuse the meter tails, and if they
aren't long enough, use a Henley block.

They record that the cutout needs resealing in the customer records,
but as they no longer have meter readers (it's all subcontracted out),
it never gets resealed IME.

--
Andrew Gabriel