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What is HIPOT (High Potential) testing?

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TitleWhat is HIPOT (High Potential) testing?
Question
What is HIPOT (High Potential) testing?
Environment
All electrical products.
Answer
A HIPOT test is a non-intrusive or destructive test that is performed to determine adequacy of electrical insulation on electrical devices. The test helps determine whether there is over voltage or current leakage from the electrical device or components within. HIPOT testers are used to perform the test also known as a Dielectric Withstanding Voltage (DWV) tester.

The test can be helpful in locating nicked or crushed insulation, stray wire strands or braided shielding, conductive or corrosive contaminants around the conductors, terminal spacing problems, and tolerance errors in cables, which can be caused by cosmetic damage.

Some customer environments are stringent of leakage due to controlled environments and will perform HIPOT tests on new products and frequently on devices. Testing is also performed during the manufacturing process.

Internal diagnostics may be performed on a device though the device may pass due to the limitation of the diagnostics being performed.
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