Socket, US standard NEMA, 20 A 125 V ~, screw terminals, without claws, LS series, stainless steel 20 A, 125 V ~, 5-20R, 2-pin. + E with screw terminals for rigid and flexible conductors up to 4 mm2 according to US-NEMA Material: stainless steel 1.4303 X4 CrNi 18-12