A. As noted in Art. 100 of the 2020 NEC: Fault Current, Available (Available Fault Current). The largest amount of current capable of being delivered at a point on the system during a short-circuit ...

This answer is based on the 2017 NEC. A. The effective ground-fault current path is made by bonding together the metal parts of electrical raceways, cables, enclosures, and equipment and to the supply ...