External Cat5e UTP Solid Cable 305m305m of Cat5e External Solid Core Cable with LDPE Outer Sheath. Connectix Cabling System Enhanced Category 5 Solid External cable is the ideal solution if you have to run your cable from building to building. Suitable for use with Catenarys, in ducts or on the side of buildings. With excellence performance records, this cable exceeds TIA EIA Enhanced Category 5 specifications. When used with Connectix Enhanced Category 5 panels and modules it gives