What is the normal electrical setup per accommodation deck on a ship?

The typical electrical setup per accommodation deck on a ship dictates that there is one electrical panel allocated for each fire zone. This organization is crucial for optimizing safety and management of electrical supply as it allows for better control and isolation in the event of a fire or other emergencies. Each fire zone is a designated area that can be identified and monitored separately, which helps ensure that in case of a fire, power can be quickly cut off to limit the spread of fire through electrical means and thus protect both personnel and property.

This method of organization is in line with safety regulations, ensuring compliance with international maritime safety standards, as it enhances the ship's ability to maintain operational integrity while minimizing hazards. The other choices typically suggest setups that either under- or over-complicate the electrical distribution system, which goes against the practical approach of fire zone management.

By assigning one electrical panel per fire zone, the system is simplified, helping crew members and engineers locate and manage the power supply efficiently in emergency situations, adhering to established maritime safety codes.