OK1SIP wrote:
Hi all,
the electrical codes differ in different countries. Consult the
current one in your country.

#snip# neutral-ground interconnection

This setup was legal and widely used in Czechoslovakia for many years.
Now it should not be used in new or reconstructed instalations, but it
is still in use in thousands of houses and flats. It doesn't seem
hazardous provided that the network is fused properly.

#snip# ground/piping interconnection

The Czech code requires to interconnect all tubing and conductive
items in a bathroom and connect them to the protective wire
(protective AND NEUTRAL in older installations, see higer)...

BR from Ivan

Fascinating information, Ivan - thanks very much! "Curiouser and
curiouser..."

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