A UL listed nut clamp with rubber is a fastening device designed for secure and reliable connections in electrical and mechanical applications. The rubber component provides additional grip and insulation, reducing vibration and preventing damage to the secured components. A UL listed nut clamp without rubber is a robust fastening device used in various electrical and mechanical applications. Lacking the rubber insert, this clamp focuses on providing a strong, stable connection where additional insulation or vibration damping is not required. Being UL listed, it adheres to stringent safety and performance criteria, guaranteeing reliability and compliance with industry standards.