factory made brass or copper material main cable: 70-95mm2, branch cable :6-70mm2 TypeMain Section(Mm2)Branch Section(Mm2)Strand ... mainly applied to high current trunk to branch, the main cable insulation without stripping, one connector can quickly branch to ... parts, high ultimate strength ,reusable, it is superior than the cable piercing puncture connector. fan type cable 4 core piercing connector