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Can a GFI breaker be tested by creating a leakage to ground?

Can we force a ground fault in order to ensure a GFI is working correctly?

Product Line:
Miniature Circuit Breakers

Yes, but this is not recommended. If the GFI is properly installed and functioning, the integral test button will trip the breaker. The test button creates a real ground fault through a 18000 ohm resistor.
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