Full Technical Description: Single Locking Type; Nylon Face, Molded Reinforced Thermoplastic Polyester Base Material; Black Color; L5-30R Configuration; 3 Wire(S); UL 498, CSA, CE, NOM Approval; 125 V Voltage Rating; Flush Mounting; 30 Ampere Current Rating; Grounding; 2 Pole(S); Impact Resistant, Chemical Resistant; Back, Side Wiring; 1.56 Inch Face Outer Diameter; Tech SPEC[R] Brand; Applicable Standard Federal Specification WC596/90-1, NEMA Wd 1, NEMA Wd 6