... .Porce lain sheath3.Support insulator4.Fastening flange5.Terminal cap The structure and external dimension The fuse is made up of ... sheath,fastening flange,support insulator,terminal cap etc.separately fix up the terminal cap and fuse pipe in the porcelain sheath ... may take apart the terminal cap by themselves and replace the fuse with the same specification and performance, whenr the fuse pipe ...