I spent my childhood playing with electricity, but most people find it
pretty mysterious. You generally can't smell it, see it, or hear it
(and please don't try tasting or touching it). How do you know what
Don Casey has written a good guide for the novice electrician that's
especially tuned for the sailboat owner who wants his electrical gear
to work reliably. If your boat lights are flickering, maybe you should
consult this book.
An in-depth reference to almost every essential system
found on a sailboat. Calder has well-considered strategies for everything.
Granted, there are good alternatives to some of his approaches, but he
won't lead you astray. This is a book you can trust. Now expanded in
its second edition.