A clear, concise and logical introduction to boat electrics. An understanding of this subject is essential for any skipper--salt water is a harsh environment for wires and chips and problems can occur at any time, both in harbour and at sea. Featuring fantastic, clear, colour graphics.Topics include: What is electricity?Where electricity comes from (the engine, shore power, a generator, renewable sources).How the boat is wired.Instruments.Laptops.Charging the batteries.Troubleshooting.