This product suitable for many type high voltage electrical equipment, such as generator, electric motor, transformer, switch, lightning arrester, capacitor, high voltage power source equipment for power cable’s preventive test, most of all, high voltage impulse power source for the power cable fault location test. It could be equipped with many type of cable fault detector. It is newly designed, very convenience and safety for outdoor field test. It’s a necessity to every large scale enterprise, factories and mines, power department. And it’s an upgrade product for traditional detection facilities.