It does not house the cable but offers a steel mounting platform, installs underneath the shingles which is now getting used by many installers to produce extra $$ for each set up without damaging the customers roof. I'm not a huge supporter from the flat cables(seems to me those factors https://docs.google.com/spreadsheets/d/1ob0dJEGF99z3qEFgx4NgE8G5OsXOxoJg98eF010UfgA/edit?usp=sharing