Top-of-the-line cable connector has Morse-tapered sections that are drawn together with a cam and locking bar for maximum conductivity. Large dome-nose screw allows for a consistently high-conductivity connection. Form-fitted rubber jacket insulator allows cable connector to work steadily at high-connectivity levels, protecting against moisture, oil and dirt. Works with cables 1/0 and 2/0. Electrical Accessory Type: Cable Connector; For Use With: Cables 1/0 AWG; 2/0 AWG; Material(s): Rubber; Color(s): Black.