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.