Adoped special connecting tablet,apply to joint of Cu(Al)andAl(Cu) or Cu and Al. General:Piercing connector,simple installation,need not strip the cable coat.Moment nut,piercing pressure is constant,keep good electric connection and make no damage to lead.Self-seam fram,wetproof,waterproof,and anti-corrosion,extend the using life of insulated lead and connector.Adoped special connecting tablet,apply to joint of Cu(Al)andAl(Cu) or Cu and Al.Small electric connecting resistance,impulse curent can be up to 15KA Special insulated case body,resistance to illumination and environmental aging,the insulation strength can up to 6KV.Arcsurface design,apply to connection with the same (different) diameter,wide connection scope (1.5mm-240mm).