Heavy-duty, bakelite crowfoot-design electrical receptacle with 2-pole/3-wire grounding for surface mounting. NEMA 10-50.
Heavy duty, vinyl pin-type design electrical plug with two brass blades and half pin. 30/50 Amp, 250 Volt capacity. Has extra blade to convert to 30 Amp plug. NEMA 6-30, 6-50.
Heavy duty bakelite pin-type design wall electrical receptacle with 2-pole/3-wire grounding for surface mounting. 50 Amp, 125/250V capacity. NEMA 6-50.
Heavy duty vinyl crowfoot-design electrical plug with three heavy duty brass blades. Has an extra blade to convert to 30A plug. NEMA 10-50, 10-30.