Appleton EFSC175 2023 Explosion Proof Receptacle, EFSC Series, 20 Amp 2203710 0 SAE Head Type Standard Handle SAE Head Type Standard Handle Type Ergonomic Package Quantity 1 Material Copper Type Clamp Characteristics High Quality Copper Alloy with High Strength Ball Point Connection Amps 300 A Features Insulated Spring Cable Connection Type Ball Point Screw Compatible Cable Gauge Range 3 0 AWG Compatible Cable Gauge 3 0 AWG Compatible with Brand ESAB Screw Material Steel Clamp Connection Material Copper Alloy Compatible Cable Gauge (Maximum) 3 0 AWG Clamp Type Ground Clamp Maximum Jaw Opening 1 1 2 in Clamp Body Material Copper Maximum Current 300 A Compatible with Surface Type Flat Plates Handle Material Copper The ECP Interchanger plug is designed with built in switch contacts which activate when the plug is twisted into the receptacle ensuring that only safe connections can be made in a hazardous location