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This test determines if the wire insulation can withstand a temperature aging test for a time period at a temperature greater than the insulation temperature rating. The wire must then withstand the bend and wet dielectric tests after the thermal exposure for the specimen to pass the test. This test is sometimes included as part of life prediction tests.
Parameters that can be adjusted for this test include:
- Temperature
- Elevated temperature exposure duration
- Bend test mandrel diameter
- Applied voltage