The utility model discloses an integral prefabricated strain clamp, include: the fastener main part and with the steel anchor of fastener main part crimping, wherein, the fastener main part is the L type, the both ends of fastener main part are conduit and drainage tube respectively, the conduit be used for inserting behind the wire with the conductor compression jointing, the drainage tube connects with the drainage line pressure after being used for inserting the drainage line. This integral prefabricated strain clamp fatigue resistance rational in infrastructure, shock -resistant is strong,bear the weight of and holding the reinforce, reducing middle current -carrying transition hookup, has improved fail safe nature, the suitable popularization and application.