Tony Williams wrote:

In article ,
[snip]

Yes point noted! I want to get to the bottom of what was going on
anyway, if even just out of curiosity.


Turn the logic upside down?

Any chance he was standing or touching something vaguely
live so the wet plaster was actually acting as the Earth?

What you mean like what I said in the last paragraph of my original
post? ;-)

I expect that is one of the most likely possibilities....

--
Cheers,

John.

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