It does not house the cable but provides a steel mounting platform, installs underneath the shingles and is now getting used by a lot of installers to produce additional $$ for every install without detrimental The shoppers roof. I've needed to use present cable in condominium installs which were wired https://docs.google.com/forms/d/e/1FAIpQLScnzxOoMLi_mVKDfID5ub3SyrgFipQyMy-aEGgORkc-xSZdNQ/viewform?usp=dialog