Sacrificial Zinc ?

[GordMay]

Some articles from Steve D'Antonio:

Galvanic Isolators And “Zinc” Anode Selection
➥ Galvanic Isolators And

Bonding Systems And Corrosion
➥ Bonding Systems And Corrosion

Galvanic Isolators and Isolation Transformers
➥ Galvanic Isolators and Isolation Transformers

[barnakiel]

Originally Posted by Tingum

Remember; things can change in a hurry in a marina. If a improperly wired boat pulls in next to you and plugs in to shorepower you become a link in the battery chain. Not nearly as bad as salt water but "fresh" water is never really pure!

Yes / No.

What about if the other boat is 'improperly wired', but you are not?

b.

[barnakiel]

Doh. Thus should I find myself without an anode (and no chandlery in sight), I can make my own empromptu one from a piece of aluminum (preferably a non-marine grade)!

That's nice.

b.