Andrew VK3BFA wrote:

snip

Any medical device MUST meet certain standards of RF immunity - what
they are, I dont know. Are they applicable on Wednesday afternoon in
April while welding steel plate with a green coloured welder with red
leads? (full moon optional) -

These are the sort of questions that
lawyers make lots of money about interpreting.

Lawyers don't interpret, they attempt to manipulate. Judges and/or
juries are supposed to interpret.

Pete C.