Specialized cable-concealing fittings and couplings suitable and a fitting system for use in forming cable runs comprising tubular framing and rails wherein the fittings, framing and rails can serve a as a conduit for cable. In particular, the cable concealing fittings are utilized in association with a cable from an electrical device such as a solar panel that is connected to an electrical system of a watercraft, such as sailboat or powerboat. The fittings and system utilizing the fittings serves both protective and aesthetic purposes.