These Pre-Crimped MC-4 Solar Controller Cables are designed to provide a secure and reliable connection. These cables are custom-cut up to 150ft (See different lengths above). The set includes both a positive and negative cable. The UL 4703 solar panel cable is specifically designed for outdoor use, making it resistant to moisture, UV rays, and corrosion. Our Solar Controller Cables are built to last, with a service life of 25+ years. These cables are perfect for any solar system needing 10 AWG solar wire.