Square D QO 20 Amp Single-Pole Combination Arc Fault Circuit Breaker (12-pack)

The Square D QO 20 Amp 1-pole Combination Arc-Fault Circuit Interrupting (CAFCI/CAFI) Circuit Breaker helps protect your wires from arcing faults and is intended for overload and short-circuits protection of your electrical system. Now standard in all Square D brand CAFCI circuit breakers, Time-Saver Diagnostics provide advanced trip indication technology, identifies the type of fault that has occurred faster. Time-Saver Diagnostics provides diagnostic assistance by identifying the type of fault that las...