In article , Christian
McArdle writes
and the sink will be earthed to the water and mains earth which is very
close by...

Personally, if I was installing a metal kitchen sink, I would ensure that I
used plastic plumbing, at least for the last metre or so. Isolation is safer
than bonding, if achievable.

Christian.



Why do you reckon that then Christian?...
--
Tony Sayer