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.