[Eeyore]

Serge Auckland wrote:

To paraphrase I think, John Linsley Hood, you can always cut down on safety
margins if you have complete control over circumstances.

There is NOTHING unsafe about Class II equipment. In fact it has to be
intrinsicly SAFER than earthed kit.


In your case, anyone making an equipment change at some stage in the future
could set up a
hum-loop.

COULD ? Why WOULD they.

You're inventing fictional problems again.

Graham