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IEC 60502

IEC 60502

۱۷.۱ Insulation resistance measurement at ambient temperature

۱۷.۱.۱ Procedure

This test shall be made on the sample length any other electrical test.

All outer coverings shall be removed and the cores shall be immersed in water at ambient temperature for at least 1 h before the test.

The d.c. test voltage shall be between 80V and 500V and shall be applled for sufflclent time to reach a reasonably steady measurement, but in any case for not less than 1 min and not more 5 min.

The measurement shall be between each conductor and water.

If requested, measurement may be confirmed at a temperature of ( ) ̊C.

ISIRI 3569

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