In the process of cable termination installation should pay special attention to keep clean, at the same time should try to shorten the installation time, cable wave thickness, in the air exposure time, the longer the intrusion of impurities, water vapor, gas, dust, etc., the greater the possibility, thus affecting the quality of cable termination. Therefore, the preparation work should be fully done before the construction to ensure that the installation is uninterrupted and in one go.