Noel H Alvin , TX July 27, 2014 Appliance: Frigidaire Room Air Conditioner FRA12EPT11 Frigidaire Air Conditioner Fra12ept11: Tripping the circuit breaker on the power cord. How to replace Power Cord (Replacement). Ordered new power cord and installed it. Working now. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes