SOLUTION

Branch-circuit overcurrent device:- A device capable of providing protection for service, feeder, and branch circuits and equipment over the full range of over-currents between its rated current and its interrupting rating. Branch-circuit overcurrent protective devices are provided with interrupting ratings appropriate for the intended use but no less than 5000 amperes.  The protection provided may be overload, short-circuit, or ground-fault, or a combination, depending on the application.