In article
leaccesscompany,
"Pat" wrote:


*That was me. Short answer: If you have a loose connection which causes
arcing and generates heat the AFCI will shut down the circuit.

Some electric motors with brushes arc. If I plug in my drill will the AFCI
shut down?

It isn't supposed to. It distinguishes between normal (in a motor) and
abnormal (loose connection) arcing.