What is a primary drawback of using fuses compared to circuit breakers?

Study for the NCCER Electrical Level 3 Module 5 Overcurrent Protection Test. Utilize flashcards and multiple choice questions with hints and explanations. Prepare effectively for your exam!

Fuses are designed to provide overcurrent protection by breaking the circuit when the current exceeds a certain level. A significant drawback of fuses is that once they blow, they cannot be reset or reused; they must be replaced. This leads to downtime in systems, as the user must purchase a new fuse, remove the blown one, and install the replacement. This process can be inconvenient, especially in situations where quick restoration of service is critical. Unlike circuit breakers, which can be reset after tripping without the need for replacement, fuses require a physical replacement, making them less practical for some applications.

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