"Trevor Wilson"


**AFAIK, the US system is fundamentally different to ours.


** In the US and Canada - it is NOT permitted to link neutral and earth
or plumbing within a premises.

See here under the heading "Regulations".

http://en.wikipedia.org/wiki/Earthing_system

The MEN system used here in Australia seems to be unique.

See last para on same page.


...... Phil