This single pole 15 Amp combination arc fault plug-on circuit breaker detects unintended arc faults, overloads and short circuits. It features a white push to test button; uses no neutral pigtail, direct connection to loadcentre neutral bar (plug-on (pigtail less) CAFCI version helps minimize installation time by reducing the number of runs and wires); has a built in TIME SAVER diagnostics feature; Visi-Trip red indicator showing a tripped status; and is compatible only with Canadian Square D QO loadcentres.