The utility model discloses a special wire connection device for circuit breaker tests. The special wire connection device is characterized in that the special wire connection device comprises test clamps, wires and an insertion and connection terminal; wherein the three test clamps are connected with the insertion and connection terminal through the wires separately, insertion and connection holes are formed in the insertion and connection terminal, a metal layer is arranged in each insertion and connection hole, and the metal layers are electrically connected with the test clamps through the wires. When the device is used to assist tests, a test instrument is inserted into the insertion and connection holes through special wires and connected with the insertion and connection terminal, the three test clamps are connected with the three-phase wire connection terminal on the circuit breaker, at this time, the test operation can be completed conveniently only by one person, the working efficiency can be improved, and at the same time, the advantage of reliable wire connection can be realized, and the accuracy of mechanical characteristic tests can be improved.