What is a good safety measure precaution when fueling your boat?

A good safety measure when fueling your boat is to turn off all engines and electrical equipment before starting the fueling process to prevent sparks. Additionally, ensure that all passengers are on land and away from the fueling area to minimize the risk of fire or accidents. It's also wise to use proper fuel containers and avoid overfilling to prevent spills. Finally, always have a fire extinguisher readily accessible and know how to use it.