Detailed Product Description Cat 5E UTP PE External Cable:Standards: IEC11801, TIA/EIA 568 Conductor: Class 1 solid copper to BS EN 60228:2005 (previously BS6360) Insulation: HDPE (High Density Polyethylene) Sheath: PE (Polyethylene) Colour: Black, metre marked Temperature Rating: 60°C Note: Direct-Burial version also available