Single-pole 1 in combination CAFCI circuit breaker is designed for arc-fault, overload and short-circuit protection of an electrical system. Designed to detect arcs that are caused by damaged, aged or improperly used wires or cords and to disconnect the power. With Time-Saver Diagnostics, advanced trip indication technology, identifying the type of fault that last occurred. White push to test button. 10 kA interrupting rating. Rated for 120 VAC. Meets Canadian Electrical code. Carded.