Question 7 of 58 in Mains Electricity

Safety devices

1 mark · Easy

Give one advantage of a circuit breaker over a fuse.

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Circuit breakers can be reset, but fuses must be replaced.

Also accept: Can be reset; No need to replace after use

Common mistakes: Circuit breakers are faster

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Marking points

B1 · 1 mark · Gives a valid advantage: resettable, no replacement needed.

Worked solution

Circuit breakers can be simply reset after a fault. Fuses must be replaced.

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