Thermoplastic elastomer housing for outstanding impact and chemical resistance Exceptional seal for maintaining NEMA Type 3R and 4 integrity Non-conductive retaining screw helps to insure no contact with live parts, along with providing stability to the fully assembled product Heavy-duty brass male and female contacts provide a superior and consistent means of conductivity Heavy-duty hex set screws allow greater termination torque Copper wire provides quality strain relief Copper shim bundles wire strands to reduce ''splaying.'' Specifications Color Black UPC Number 785007308150 Country Of Origin Mexico Application Sector Commercial/Industrial Standard UL, cCSAus Amperage 400 A Number of Poles Single Pole Wire Size 2/0 - 4/0 Voltage 600.0 V Environmental Conditions Operating Temperature: Maximum continuous +75°C, minimum -40°C without impact: Flammability UL94 V2: Enclosure: NEMA Type 3R and 4 Dimensions Product Length US 6.8 in