ADSS fittings are used to secure ADSS cables to utility poles. The integration test between the fitting and the cable is approved according to the NESC Heavy Duty standard. The correct ADSS cable fitting is determined by the outside diameter of the cable and the length of the span to be covered. What is an ADSS cable ADSS (All Dielectric Self-Supporting) cables are ideal for installation in power distribution and transmission environments, even when a live installation is required. As the name implies, no supports or slings are required, so a single installation is all that is needed, making ADSS an economical and simple way to. About us design and construction makes ADSS mounting and threading accessories inherently rugged and rigid, and compliant with various international and TEC codes. These fittings are available in a variety of designs to meet the requirements of different pole/tower spans and different types of pole/tower members.