Mainly used where the density of terminal devices is very high, e.g. for the cabling of office, administration and development buildings in the tertiary sector (floor cabling)., LAN cable for structured building cabling in accordance with EN50173 and ISO/IEC 11801, U/UTP: no overall or pair shielding, F/UTP: foil shield as overall shielding, solid conductor, outer jacket as PVC (colour ivory RAL1015) or LSZH version (colour orange RAL2003), Class E in the ISO/IEC 11801 standard corresponds to CAT.6, LAN CAT.6 cables from Lapp Kabel for 'structured cabling systems' meet the requirements of EIA/TIA-568 and TSB36 as well as ISO/IEC 11801 or EN 50173 (Class E - permanent link)., Transmission of digital and analog data signals, IEEE 802.3: 10/100/1000Base-T IEEE 802.5: ISDN, FDDI, ATM, LAN Cat.6 cables are specified up to 350 MHz,