Waterproof Aviation Plug Socket SD20 20mm 4 Pin Panel Mount Connector Elbow IP68 Contact Diameter(mm): DIA.2.8*4;Rated Voltage & Current: AC 380V,25A. Withstand Voltage: AC 1500V;Contact Resistancemm): 1M ohm; Insulation Resistance: 2000M ohm; Coupling Type: Threaded Coupling Fit for Cable Outer Diameter Range: DIA.8-12mm;Connection Type: Soder Package: 1 Pair of Waterproof Aviation Connector