Isolated Ground Receptacle, Current Rating 20 Amps, Voltage Rating 125 Volts, Power Rating 0, 5 Hp, Nema Configuration 5-20R, Type Duplex, Hospital Grade, Color Orange Leviton Feature visible or audible alarms depending on application. Used where transients in an environment could harm the plugged-in units.UL Listed and CSA Certified.Isolated Ground Receptacles