ASU cable, this kind of dielectric cables offer the ease of installation of standard flat cables in an easy-access, single-tube design. The dielectric version eliminates any bonding and grounding requirements. The cables can offer exceptional crush resistance. Uni-Tube All Dielectric Aerial Drop cable is especially designed for fiber to the subscriber applications. It is a flat, all dielectric cable ideally suited for self-supporting drop-type installations as well as conduit builds.