... The fuse is made up of fuse pipe,porcelain sheath,fastening flange,support insulator,terminal cap etc.separately ... the terminal cap and fuse pipe in the porcelain sheath by the p ress way,then use the ... fastening flange to fix up the porcelain sheath on the support insulator.Refer to the chart ... broken,the electric arc occurs in a few paralIel-connection gaps,the metal steam in the electric arc ...