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Can the QO or HOM Homeline arc fault breaker AFI be used with knob and tube wiring?

Issue:
Will the CAFI work in the K&T systems?

Product Line:
Miniature Circuit Breaker

Environment:

QO/HOM Breakers

Resolution:
Yes. The QO and HOM CAFI breakers will work as long as there is not a shared neutral and the neutral is grounded at the service entrance only.
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