Apr 23, 2013
If you have shore power on your boat and use it at the marina to charge your batteries, then this article is for you. To protect against the damaging effects of galvanic corrosion between your boat, your neighbour’s boat and the marina, you require some method of “isolating” your boat. Of your two choices, Galvanic Isolators are inexpensive and simple to install but could fail thus requiring regular checking. Isolation Transformers are far more expensive and very heavy but almost never fail. Let’s take a look at both.