Question: When inserting a current limiting fuse or circuit breaker in a feeder circuit to increase the Short Circuit Curent Rating of one or more branch

When inserting a current limiting fuse or circuit breaker in a feeder circuit to increase the Short
Circuit Curent Rating of one or more branch circuits connected to that feeder, which two (2) of
the following components in those branch circuits are able to have their Short Circuit Current
Rating increased?
Fuse
Overload relay
Circuit breaker
Contactor

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