js.b1 wrote:
... what brand are they - I ask in case one fails and you can't get
replacements re maintaining type-approval of existing board.
Contactum, Hager, MK, MEM, MG, Square-D are all a "known quantity"
whereas there is some real grotty stuff out there.

Make sure electrical tests (RCD in particular) are done on *your house/
flat* vs done on one and copied for the rest as can happen because it
can save a lot of time and a QA spark is busy looking the other way /
too busy / not checking.

I assume you have a smoke alarm?

Yes, in fact more than one.


Reason I ask is depending on the cost things might be better "spread
around".

I assume your wiring is modern PVC, not Pyro/MICC or TRS rubber?

All the wiring I have seen is PVC. A previous house had unshuttered BS
546 sockets with exposed conductors, rubber covered-wiring, and also
lead-sheathed paper-wrap. The fuseboxes under the stairs were a wonder
to behold. The landlord didn't care.

If the latter you may get involved in a rewire of partial circuits,
one reason they might be suggesting RCBO so they can get "some
circuits back on" and fight any remedials with the remaining. Pyro is
fine, although it has some short comings (if people DIY'd in the past
they might have stuffed something enough to make an RCD trip).

The electrician who rectified the kitchen bodge ripped out and made
safe the other bodges we could find, including the classic use of
bellwire to carry power to a cupboard light.

Regards,

Sid