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Main article: "Twisted pair § Cable shielding
Annex E, Acronyms for balanced cables, provides a system to specify the exact construction for both unshielded and shielded balanced twisted pair cables. It uses three letters - U for unshielded, S for braided shielding, and F for foil shielding - to form a two-part abbreviation in the form of xx/xTP, where the first part specifies the type of overall cable shielding, and the second part specifies shielding for individual cable elements.
Common cable types include U/UTP (unshielded cable); U/FTP (individual pair shielding without the overall screen); F/UTP, S/UTP, or SF/UTP (overall screen without individual shielding); and F/FTP, S/FTP, or SF/FTP (overall screen with individual foil shielding).
Edition 3, currently being prepared by "ISO/IEC JTC 1/SC 25 "Interconnection of information technology equipment", is a major revision of the standard which will unify several prior standards for commercial, home, and industrial networks, as well as data centers, and define requirements for generic cabling and distributed building networks.
The new series of standards will include six parts: 
||Part 1: General requirements
||Generic cabling requirements for twisted-pair and optical fiber cables
||Part 2: Office premises
||Cabling for commercial (enterprise) buildings
||Part 3: Industrial premises
||Cabling for industrial buildings, with applications including automation, "process control, and monitoring
||Part 4: Homes
||Cabling for residential buildings, including 1200 MHz links for "CATV/"SATV applications
||Part 5: Data centers
||Cabling for high-performance networks used by data centers
||Part 6: Distributed building services
||ISO/IEC TR 24704
||Cabling for distributed wireless networks for "building automation and "IOT devices
- ISO/IEC 11801:1995 (Ed. 1) - first edition
- ISO/IEC 11801:2000 (Ed. 1.1) - Edition 1, Amendment 1
- ISO/IEC 11801:2002 (Ed. 2) - second edition
- ISO/IEC 11801:2008 (Ed. 2.1) - Edition 2, Amendment 1
- ISO/IEC 11801:2010 (Ed. 2.2) - Edition 2, Amendment 2
- ISO/IEC 11801 Ed.3 (in development)
- ^ Nielsen, Allan (2008), AMP NETCONNECT Guide to ISO/IEC 11801 2nd Edition Including Amendment 1 (PDF), Schaffhausen, Switzerland: Tyco Electronics, p. 11, Archived from the original on February 3, 2014, retrieved March 11, 2012
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- ^ a b Flatman, Alan (2013-05-16). "ISO/IEC TR 11801-99-1: Guidance on 40GBASE-T Cabling -a tutorial-" (PDF). Retrieved 2014-01-26.
- ^ Flatman, Alan (2013-11-11). "Update on ISO/IEC 11801-99-1 Guidance on 40GBASE-T Cabling" (PDF). Retrieved 2014-07-09.
- ^ a b Flatman, Alan (2014-01-23). "Update on ISO/IEC 11801-99-1 40GBASE-T Cabling Guidelines" (PDF). Retrieved 2014-07-09.
- ^ a b "40GBASE-T/Category 8 Update" (PDF). Knxtraining.gr. Retrieved 2016-10-02.
- ^ Sullivan, Ed (2013-05-01). "How Cat 8 cable will economically solve data centers' need for high bandwidth". Cabling Installation & Maintenance. Retrieved 2014-01-01.
- ^ "Archived copy". Archived from the original on 2014-01-08. Retrieved 2014-01-08.
- ^ "Standards - ISO/IEC JTC 1/SC 25 - Interconnection of information technology equipment". ISO.org. Retrieved 2016-10-02.
- International standard ISO/IEC 11801: Information technology — Generic cabling for customer premises.
- European standard EN 50173: Information technology — Generic cabling systems. 1995.