Specifications for high voltage (above 1000 volts) Class A and Class B expulsion and current-limiting fuses. This includes: a) Expulsion type Class A [distribution class] fuses, fuse cutouts, fuse disconnecting switches, their associated fuse links or refill units, disconnecting cutouts, and accessories for these devices with rated voltages from 1 through 38 kV. b) Expulsion type Class B [power cl...