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gis high-voltage switchgears leakage test enervac

Guidelines for high potential (Hi-Pot) DC testing of ...· After installation and before the cable is placed in regular service, the test voltages specified in Table c.1. should be applied for 15 consecutive minutes. Record the leakage current at one minute intervals for the duration of the test. Table c.1. – ICEA dc Field Test Voltages ICEA S-97-682 Utility Shielded Power Cables Rated 5,000-46,000 Volts

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