At present, the next stage that is more likely to be realized is the modularization of the fuse box. The fuse wire and the base in the fuse box can be divided into small fuse wire groups, and divided into basic and functional modules according to their functions. These fuse sets are equipped with small fuse boxes, and the fuse boxes can be spliced and disassembled from each other. In actual production, modules are selected according to the model configuration, and then different modules are spliced and assembled. There are both mechanical and electrical connections between the modules of these fuse boxes, which can be stacked and used as needed like a make-up, and can be continuously expanded. This not only increases the versatility and stability of the fuse box, but also reduces materials, installation space, quality and cost. This satisfies the customer’s customized needs from the perspective of parts, and will extend to more functional parts in the future.