Rated for up to 30 amps (7200 watts), using UL standard 10 AWG pure copper cable and electroplated terminals for maximum longevity, this adapter converts a NEMA 10-50 outlet to a NEMA 10-30 outlet. The NEMA 10-50 is commonly used for electric stoves, and the NEMA 10-30 is commonly used for clothes dryers. Cable length: 12 inches.