The ERICO INC Copper Thru-Roof Cable Connecting Assemblies (LPC66518NC) are designed for efficient and secure cable connections through roofing materials. Measuring 18 inches, these assemblies are constructed from high-quality copper, ensuring excellent conductivity and durability. They are ideal for various applications, including electrical and telecommunications systems. The assemblies comply with industry standards, providing reliable performance in outdoor environments. Easy to install, they are a practical solution for connecting cables safely and effectively.