Ground fault interrupter & duplex receptacle is 15A straight blade with a maximum current capacity of 20 amps. Sensitivity to earth leakage current is 4-6 milliamps. UL listed. Supply voltage is 120V AC, 60Hz. Will easily replace duplex receptacle in any standard outlet box. Installed as the first receptacle from panel or fuse box, will provide ground fault protection to itself and all downstream receptacles on the same circuit. Can also be used for one-outlet-only protection on multi-wire circuits. Color coding and simple instructions make them as easy to install as a standard receptacle. Ivory color.