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High Potential (HI-POT) Cable Testing

Cable testing is used to determine the integrity of cable’s dielectric properties within a pass/fail test. Several testing methods exist for this purpose including High Potential (Hipot), Very Low Frequency (VLF), and Partial Discharge (PD).

Hipot testing applies a high voltage to the cable for a short period while the leakage current data is measured. IEEE restricts which types of cables Hipot should applied to as there is a risk of actually damaging the cable during testing for certain cables.

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