This cable fault locator is designed for ease of use, portable, light weight and easy for carry. It take the Time Domain Reflectometer (TDR) for measuring the exact fault location such as the broken line, cross faults, earthing, poor insulation and poor contact of the lead covered cables as well as plastic cables. As you set proper wave velocity, just press Auto key, you will get the test result within 2 seconds. It is an effective tool to reduce troubleshooting time, improve work efficiency and reduce labor intensity of line maintenance staff. It also can be used in line projects acceptance and inspection of electrical cables.