EIA/TIA :Electronics Industries Association/Telecommunications Industries Association
ANSI/TIA :American National Standards Institute/Telecommunications Industries Association
The EIA/TIA-568 standards (now ANSI/TIA-568) are a set of telecommunications and structured cabling standards developed by the Telecommunications Industry Association (TIA) and Electronic Industries Alliance (EIA).
They are widely used across government, private commercial buildings and campus environments to ensure consistent, reliable and interoperable cabling installation for data, voice, and video communications.