Manufacturer Part Number: HBL4761, 4761. Shows signs of wear from use. Not tested. Included: 15A-277V 4" Flange Receptacle. Responsive Support.
Hubbell HBL4761, 4761 15A-277V 4" Flange Receptacle NOS
Schneider Sprecher BS5424 60947-5 60947-3 C8201-4-1 CA3-P 193-EEDB HUBBELL GPC 1