GIS terminal installation positioning device and GIS terminal

The invention discloses a GIS terminal installation positioning device and a GIS terminal. The GIS terminal comprises a cable, an upper electrode and a sleeve, wherein the upper electrode is provided with an inner hole. The installation positioning device comprises a conductor leading-out rod which is a cylinder with a closed single end, wherein the conductor leading-out rod is fixed on a cable conductor in a sleeving manner; a plurality of elastic plungers which are arranged along the periphery of the conductor lead-out rod by at least one circle; a clamping groove which is formed in the inner circumference of the upper electrode by at least one circle; wherein the conductor lead-out rod is used for being inserted into the inner hole of the upper electrode, so that the end part of the elastic plunger is clamped in the clamping groove, and the cable is installed and positioned. According to the invention, the cable can be accurately positioned in the sleeve, disengagement and displacement are prevented, the i