The T16+2 (digiPHONE+2) cable fault pinpointer is a portable and visual impulse discharge receiving precise fixer, which uses the intelligent time difference method to accurately locate the cable fault point; The optional configuration T16+2 NT adds the step voltage method to accurately pinpoint cable outer sheath faults or single core unshielded armored cable faults, achieving two in one precise pinpointing; The optional T16+2 NTRX configuration once again adds audio based path localization and dead ground fault localization, achieving precise three-in-one positioning.