Arc tracking test 18 from nasa std 6001
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Arc Tracking Test 18 from NASA-STD-6001. Purpose: Determine ability of wire insulation materials or constructions to resist arc tracking and access damage caused by initial arcing and restrike events

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Arc Tracking Test 18 from NASA-STD-6001

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Arc tracking test 18 from nasa std 6001

Arc TrackingTest 18 from NASA-STD-6001

  • Purpose: Determine ability of wire insulation materials or constructions to resist arc tracking and access damage caused by initial arcing and restrike events

  • Phenomena whereby an arc between two or more wires, once initiated, will sustain itself through a conductive path provided by degradation of the insulation for a measurable length

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Arc tracking test in progress

Arc TrackingTest in Progress

  • Typical Specimen

    • 7 wire bundle 46 cm in length

  • Arc Initiation

    • Short circuit of conductor ends by dry graphite powder

  • Test Conditions

    • Worst-case environment

    • 5 kW, 400 Hz, 3-phase, 200 volt/ 50 amps RMS

  • Acceptance Criteria

    • Wire configuration is resistant to arc tracking if it does not exhibit arc propagation on either initial or reapplication of power

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