Question 1590 Deck General

The correct answer is A) keep the circuit from becoming overloaded or overheated. Fuses and circuit breakers are safety devices used in electrical circuits to prevent overloading or overheating. They are designed to interrupt the flow of electrical current if the current exceeds a safe level, protecting the circuit and connected equipment from damage. This is a key regulatory requirement for small passenger vessels to ensure the safe operation of electrical systems. The other answer choices are incorrect. Option B is not correct, as fuses and breakers are not meant to prompt the operator to inspect wiring. Option C is incorrect, as they are not designed to prevent voltage fluctuations. Option D is incorrect, as they are meant to interrupt the circuit to prevent equipment from being damaged, not to keep it from shutting off unexpectedly.