Multi -functional grounding box of high tension cable

The utility model discloses a multi -functional grounding box of high tension cable, box 1 is inside to be equipped with inner core connector 2 and outer core connector 3 respectively including the three outside coaxial cable 11 of box that extends to on every coaxial cable 11, and inner core connector 2 and outer core connector 3 with coaxial cable 11 be connected to the insulating copper shell 12 of the insulating intermediate head of high tension cable, still be equipped with ground joint head 4 on the box 1, the 1 inside detachable overvoltage protection device 5 that still is equipped with of box, overvoltage protection device 5 connects ground joint head 4, this grounding box still is equipped with and connects inner core connector 2 and outer core connector 3, inner core connector 2 and overvoltage protection device 5, outer core connector 3 and overvoltage protection device 5, inner core connector 2 and ground joint head 4, outer core connector 3 and the dismantled yoke plate of ground joint head betw