Abstract: A cartridge fuse box which includes a bottom shell covered with a cover shell and having a holder frame, a plurality of terminal blocks respectively mounted in respective horizontal holes on the holder frame to hold a respective conductor by a respective tightening-up screw and a respective metal socket by a respective screw for permitting the conductors to be respectively connected to the metal sockets, a fuse connector fixedly secured to the bottom shell remote from the holder frame to hold a plurality of metal sockets by a respective screw, a plurality of cartridge fuses connected between the metal sockets of the fuse connector and the metal sockets of the terminal blocks, and a plurality of clamps respectively mounted in the holder frame to hold down the conductors of the terminal blocks.