Leviton's Dustguard line of industrial grade plugs and connectors feature rugged construction that resists impact, sunlight, chemicals and rough use. All contacts are solid one-piece construction for superior conductivity. They are engineered to IP44 Splashproof and dust-tight standards. The ergonomic, fluted-body design with radial gripping edge is ideal for gripping and pulling. The unique cord clamp accepts a wide range of cord sizes, providing a secure grip without damaging the cord. Plus, they are backed by a limited lifetime warranty.