I have 2 bathrooms that have a total of 3 outlets from the same power source. When I press the test button on one of GFCI outlet, it will not only cut off its own power but it will also trip the AFCI breaker. Is this normal? It is rather inconvenient because I have to go to the main panel at night to reset it.
Electrical – AFCI breaker trips when GFCI receptable’s test button is pressed
afcicircuit breakerelectricalgfciwiring
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Best Answer
I will post an answer as I believe others will run into similar problem.
The issue is that the wiring has neutral wires from multiple circuits connected together. While this works with older breakers. It will not work with newer AFCI breaker. The solution is to clean up the wiring such that the hot and neutral pairs are isolated to individual breakers and not mixed with other breakers.