Overview Reviews Product Description Square D QO120GFI - QO 20A Single Pole 120V Circuit Breaker Type: QO Amps: 20 Pole Type: Single Voltage: 120 Product Videos Custom Field Condition New Product Reviews Write a Review Write a Review × Square D Square D QO120GFI - QO 20A Single Pole 120V Circuit Breaker Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *