This standard establishes specifications for high-voltage (above 1000 V) expulsion and current-limiting type power class fuses, and accessories. All of these devices are intended for use on alternating current systems. These specifications apply to the following specific types of equipment: a) Power class expulsion type fuses b) Power class current-limiting type fuses c) Power class fuse disconnecting switches d) Item a) through item c) used in fuse enclosure packages e) Fuse supports, fuse-holders, fuse hooks, fuse units, and refill units, of the type intended for use with power class fuses and fuse disconnecting switches f) Disconnecting devices created by the use of a removable switch blade in a power class fuse support g) Fuse links when used exclusively with power class fuses and fuse disconnecting switches.