Insulation column applicable to cable circuit

The utility model relates to an insulation column applicable to a cable circuit, wherein the insulation column is provided with a cylindrical receiving chamber with a lower opening; the top of the insulation column is provided with a concave hole; a communication hole is arranged between the concave hole and the receiving chamber; the side wall of the insulation column is provided with a wire inlet connecting terminal and a wire outlet connecting terminal respectively; the wire inlet and outlet connecting terminals are in conical shapes; and the shape of the external connecting part is matched with a cable joint. The insulation column applicable to the cable circuit can directly apply the column vacuum circuit breaker equipment of the outdoor aerial line to the cable net, and solves the connection problem of the electric equipment used by the high-voltage cable and the aerial line. As long as the insulation column is changed, the electric equipment in the aerial line and the cable net can be exchanged, the eq