Special cable for connecting high-voltage equipment

The utility model discloses a special cable for connecting high-voltage equipment. The special cable is composed of an inner conductor, and an insulating layer, a shielding layer, a protective layer and a sheath layer which are sequentially coated outside the inner conductor from inside to outside, the inner conductor is formed by twisting a plurality of copper wires of which the diameter of a single wire is less than or equal to 0.5 mm; the insulating layer is composed of a PI polyimide film layer and a polytetrafluoroethylene tape layer which are sequentially coated outside the inner conductor; the shielding layer is composed of a semi-conductive nylon tape shielding layer wrapping the polytetrafluoroethylene tape layer and an outer conductor layer braided outside the semi-conductive nylon tape shielding layer. The protection layer is a non-woven fabric wrapping layer wrapping the outer conductor layer, and the sheath layer is extruded outside the protection layer. The cable is provided with the combined in