Unmoderated forum on marine electrical and electronic equipment. Good advice and resources here, but you have to dig and you have to be selective.
A Sabre 34 owner describes the installation of a Guest galvanic isolator on the boats AC panel.
A discussion board and photo gallery for cruising sailors and wannabes focused on the best ways to generate, distribute, and control electricity on a cruising boat.
These people do custom design, installation and troubleshooting of electrical systems. Their site has a useful collection of FAQ's on various components of a marine electrical system. Some of the items are manufacturer-specific.
A vendor's brief but lucid explanation of the galvanic corrosion problem and its solutions. Includes comparison of galvanic isolator with isolation transformers.