Bryants Tech-Spec® plugs and connectors represent some of the industrys most recognized products as well as one of the finest series of plugs and connectors on the market. The quality of the non-slip, wide ribbed handgrip, heavy duty double wall housing and tough, impact/chemical resistant nylon construction are second to none. They are easy to assemble and automatically center and secure the cord as the assembly screws are tightened - no external clamps or additional screws are required. An elastomeric dust seal prevents dust, moisture and contaminants from entering the wiring chamber.