Contact piece and cable assembly

The invention relates to the technical field of electric connectors, in particular to a contact piece and a cable assembly, the cable assembly comprises the contact piece and a cable, the contact piece comprises a contact terminal and an insulator, the contact piece is provided with a wiring end used for being connected with a wire of the cable, the contact terminal is provided with a welding part arranged at the wiring end, and the welding part is used for being welded to the wire. The wiring terminal is provided with the positioning cavity, at least one part of the cavity wall of the positioning cavity is formed by the welding part, the positioning cavity is used for containing the wire to pre-position the wire, the position of the wire is guaranteed, repeated wire adjusting operation is avoided, the welding efficiency is improved, and the welding quality is guaranteed. 本发明涉及电连接器技术领域，具体涉及一种接触件及线缆组件，线缆组件包括接触件和线缆，接触件包括接触端子和绝缘体，接触件具有用于连接线缆的导线的接线端，接触端子具有设置在接线端的焊接部，焊接部用于与导线焊接，接线端设有定位腔，定位腔的至少一部分腔壁由焊接部形成，定位腔用于容置导线