This Hellerman Tyton approved Category 5 Enhanced cable is suitable for campus, riser and horizontal installations, and is compatible with all known connection systems according to EN50173. UTP and FTP versions available. Technical Description ISO/IEC 11801 - 2nd Edition EN 50173; PrEN 50288-3-1 EIA/TIA 568A-5 TSB 95 Fire Propagation Test : UL 1581 VW1 and IEC 332.1 Conductor Bare Cu Wire Insulator Material PE Number of Twisted Pairs 4 Sheath Material PVC or OHLS Outside Diameter of Conductor 0.52 mm Outside Diameter of Insulation 0.94 mm Outside Diameter of Sheath 5.50 mm Weight PVC (OHLS) 34.2(37.4) kg/km Sheath Colour PVC Grey or Blue , LSOH Violet Batch No. and Metre marking. NVP rating 66% Temp. Range Installed 0 to 50°C Operating Temp. Range -20 to 60