Overcurrent protection type?

Overcurrent protection type?

• A. Ground clamps
• B. Wire nuts
• C. Fuses
• D. Terminal block

Answer: (C)

Overcurrent protection devices are meant to automatically interrupt current when it exceeds a safe level to prevent overheating and damage. The best example here is the fuse: it contains a metal link that melts open when the current goes beyond its rating, breaking the circuit and stopping fault current. Ground clamps are for establishing a grounded path, not for interrupting current. Wire nuts are just connectors joining wires, and terminal blocks are termination points for wiring; neither provides automatic fault interruption. Fuses are specifically designed to protect conductors and equipment from overcurrent, though a circuit breaker can also serve this role in many systems.

Overcurrent protection devices are meant to automatically interrupt current when it exceeds a safe level to prevent overheating and damage. The best example here is the fuse: it contains a metal link that melts open when the current goes beyond its rating, breaking the circuit and stopping fault current. Ground clamps are for establishing a grounded path, not for interrupting current. Wire nuts are just connectors joining wires, and terminal blocks are termination points for wiring; neither provides automatic fault interruption. Fuses are specifically designed to protect conductors and equipment from overcurrent, though a circuit breaker can also serve this role in many systems.