The utility model discloses a pair carbon fiber composite core wire strain insulator gold utensil, it is including installing wedge terminal connection device and preformed armor rods strain clamp (8) on carbon fiber composite core wire (7), wedge terminal connection device includes wire jumper drainage plate (1), wedge strain clamp steel anchor (2), wedge mount (3) that link to each other with wedge strain clamp steel anchor (2), installs wedge -shaped gripper (4) in wedge mount (3), wedge mount (3) cover has the external pressure to take over (6), and interior bushing pipe (5) are installed in taking over (6) to the external pressure, and throw out of gear with wedge -shaped gripper (4) interior bushing pipe (5). The utility model discloses a wedge terminal connection and preformed armor rods strain clamp connect, and structural design is reasonable, can ensure the safe operation of carbon fiber composite core wire circuit, can prevent its occurence of failure that leaded to after operation in -process wedge termination became invalid, can extensively be used for the high -speed railway, and be high -speed, channel, important leaps such as low -voltage grade power line and communication line district section.