Testing Steps for Power Cable FaultsI.Analyzethenatureofthecablefault–Identifythetypeoffaultycable.II.Usethelow-voltagepulsemethodofthecabletester–Measurethecablelengthandcalibratethecable'sradiowavetransmissionspeed.III.Selecttheappropriatetestmethod–Usethecabletestertoperformaroughme【详细】