I was thinking also a jumper from hot to cold pipes at the
shower. The dielectric connection reduces corrosion. But it
doesn't drain power through the cold water inlet.

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
..

wrote in message
...
:
: You should have a ground rod preferably 2, connected to the
ground bus
: in the panel. You should also bond all the metal piping
including a
: jumper around the water heater.