CUTLER HAMMER ARC FAULT SINGLE POLE CIRCUIT BREAKER *3/4" *20 amp, 120/240 vac *Non-interchangeable *10,000 AIR *Switch indicator *Reduces the risk of electrical fires caused by arcing faults in wiring, extension cords, lamps, etc. *Plug-in *Fits Cutler-Hammer CH Classic Panels only *Standard overload and short circuit in addition to arcing detection protection in Cutler-Hammer CH Panels only *Required by 2002 National Electric Code for bedroom circuits *UL listed *C.S.A. approved *Carded 3/4" ,20 amp 120/240 vac ,Non-interchangeable ,10 000 AIR ,Switch indicator ,Reduces the risk of electrical fires caused by arcing faults in wiring extension cords lamps etc. ,Plug-in ,Fits Cutler-Hammer CH Classic Panels only ,Standard overload and short circuit in addition to arcing detection protection in Cutler-Hammer CH Panels only ,Required by 2002 National Electric Code for bedroom circuits ,UL listed ,C.S.A. approved ,Carded