The utility model provides a many high specification press experimental junction pole, relates to a high -voltage testing junction pole, and the purpose is in order to solve current high -voltage testing junction pole because the restriction of structure, when leading to using with the cooperation of various test tool, the accuracy of influence test data to the problem of potential safety hazard is caused operating personnel and equipment. The utility model discloses an external wiring hand ladle vinculum splint, many specifications fastener post and crimping bolt, many specifications fastener post comprises a plurality of coaxial and fastener posts that the diameter increases in proper order, and wherein the minimum fastener post of diameter is all fixed in the middle part of straight -bar with the wireplint, and the crimping bolt is located the terminal surface of the fastener post that the diameter is the biggest. The utility model discloses greater part tee connector and line ball board are cut off on the market in can be better can be applicable to at present, and high -tension apparatus and test device are connected convenient and reliablely, have improved the accuracy of test parameter, can avoid coming off and leading to the fact the potential safety hazard for operating personnel and equipment because of testing the fastener, are applicable to high -voltage testing.