This handbook is intended as an educational aid. It describes the electrical systems available on a powerboat and explains how different systems and modules relate to each other. Subject material for the handbook is an outcome of the author's own experiences plus questions and advice received from others. Electrical system on a powerboat comprises many modules and switches to handle both DC (Direct Current) and AC (Alternating Current) electricity. It is the goal of this handbook to equip the reader with necessary knowledge and understanding so they may become involved with the electrical...