What are the key components of a boat's electrical system?

The key components of a boat's electrical system include the battery, wiring, switches, and electrical panels. The battery serves as the primary source of electrical energy, powering all electrical devices on board, such as lights, navigation equipment, and communication systems. Wiring is essential for connecting the battery to various electrical components, ensuring that electricity can flow to where it's needed. Switches control the flow of electricity, allowing operators to turn different electrical systems on and off as required. Electrical panels organize and manage the distribution of electrical power throughout the boat, providing a centralized location for monitoring and controlling the electrical systems.

The other options focus on different systems and components of a boat that are not related to the electrical system. The motor and fuel system are crucial for propulsion, while the propeller and related components are involved in mechanical operation. The deck, hull, superstructure, and rigging pertain to the structural and physical aspects of the vessel. Understanding that the key components directly related to the electrical system are found in the correct answer is important for marine technicians to diagnose and maintain the boat's electrical functionalities effectively.