American socket L14-30R with cover

1.Rated: 125VAC 30A;
         125/250VAC 30A;
         125VAC 20A;
2.Contact resistance: ≤0.5Ω;
3.Insulation resistance: ≥100MΩ;
4.Withstand voltage: 2000VAC/min;
5.Insertion and extraction force: ≤15-93Nf;
6.Electric life: 5000 times;