Wire insulation joint

The utility model relates to the field of electrical connection member and particularly relates to a wire insulation joint. The wire insulation joint is characterized by comprising a sleeve tube and a tube cap, wherein one end of the sleeve tube is connected with the tube cap through a thread; an insulation sealed space is formed between the sleeve tube and the tube cap; and the diameter of a wire hole on the sleeve tube is no less than diameters of two wires together. Compared with the prior art, the wire insulation joint provided by the utility model has the beneficial effects that the insulation Bakelite is adopted for production, and after the wire is connected inside the joint by an electric welder, electric shock injury caused by electricity leakage can be prevented; the welding quality is improved, and after the joint is tightened, the joint can be pressed tightly and the joint is ensured not to be loose or drop out; and the wire insulation joint is suitable for inflammable operation, explosive operati