Q:

What is Megger testing?

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Quick Answer

Megger testing works to ensure that electrical insulation is in good operating condition. This type of testing requires an insulation tester.

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Full Answer

Megger testing does not cause any damage, making it a good option when someone does not want to put holes in walls to test electrical insulation for any problems or issues. The testing device only goes between 500 and 1,000 volts, which is relatively low. Due to the low voltage, some punctures in insulation go undetected. It generally provides information about the leakage current and whether insulation areas have excessive dirt or moisture as well as the amount of moisture, deterioration and winding faults.

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