On 17/11/2019 13:56, Tricky Dicky wrote:

Thanks to all for all the advice up to now!


As I said, and will say again, it's all in the preparation.

I swapped two dual RCDs into one all RCBO DB a couple of weeks ago.

http://wiki.diyfaq.org.uk/index.php/File:2CUs.jpg

http://wiki.diyfaq.org.uk/index.php/...ewCUpreped.jpg

That's about 3 hours work. The DB was up and running an hour after the
second photo.

--
Adam