Dave Plowman (News) wrote:

In article ,
Edward wrote:

[snip]

2. *From what I can gather, the fixings for the faceplates are at the
same centres, but are the screws/threads likely to be the same? *Or
will I need to change the boxes as well?

It depends how old the original installation is. Round about 1970, the
screw threads changed from BA to metric.

In which case there's no need to change the box, just re-use the original
screws.

--
Mike Clarke