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.