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The purpose of a fuse or circuit breaker is

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A fuse is a small, thin conductor designed to melt and separate into two pieces for the purpose of breaking a circuit in the event of excessive current. A circuit breaker is a specially designed switch that automatically opens to interrupt circuit current in the event of an overcurrent condition.
User Creinig
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Answer:

power to what they are wired to

Step-by-step explanation:

User Atulkhatri
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