Distribution Cutouts and Fuse Links@ Secondary Fuses@ Distribution Enclosed Single-Pole Air Switches@ Power Fuses@ Fuse Disconnecting Switches@ and Accessories
This standard applies to high voltage fuses (above 600 volts)@ secondary fuses@ distribution enclosed single-pole air switches@ and accessories@ as follows: (1) Enclosed@ open@ and open-link types of distribution cutouts and fuses for alternating-current distribution systems. (2) Secondary fuses@ 600 volts and below@ used on supply circuits. Cartridge-type fuses@ rated 600 volts and below@ and screw plug fuses are not included. (3) Distribution oil cutouts. (4) Distribution enclosed single-pole air switches. (5) Power fuses for systems or circuits above 600 volts. (6) Outdoor and indoor fuse disconnecting switches. (7) Fuse supports@ fuse mountings@ fuse hooks@ fuse tongs@ and fuse links@ all of the type used exclusively with products listed in ( 1 ) @ ( 2 ) @ ( 3 ) @ ( 4 ) @ ( 5 ) @ and ( 6 ). (8) Removable switch blades for products listed in (1) and ( 3 ) .