Have, three times... once with a different 15A, and on the second 20A. There might be something else wrong in the wiring, and may have to rip up at least the cabinets and drywall on the one wall and the ceiling in the kitchen at the least to get to it. There was a remodel about 10 years ago (about 5 years before I bought it), and that may have been it, though could be original. Been wanting to replace the kitchen lighting anyway.