Bryant Electric 70520NC Electrical Connector Body, Black/White Resilient dust seal surrounds cord, helping to prevent moisture and contaminants from entering wiring chamber Internal self-centering triple gripper cord grip with radius teeth design provides secure cord retention and reduces installation time Transparent Terminal cover, extended teardrop wiring pockets and backed out captive Terminal screws simplify wiring Impact/chemical resistant, toughened nylon construction; double wall construction for extra durability Accommodates cord diameters of 0.300 inch - 0.655 inch