Recommendation ITU-T K21 Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
Publication Year
2008
Document Status
Withdrawn
Document History
Replaced by 2011 version. Replaces 2003 edition.
Publisher Information
International Telecommunication Union
ITU is the United Nations specialized agency for information and communication technologies, responsible for allocating global radio spectrum and satellite orbits, developing technical standards to ensure network and technologies' interconnectivity, and works to improve access to ICTs to underserved communities worldwide.
Place des Nations
1211 Geneva 20
ITU
Switzerland
Website: https://www.itu.int
Email: itumail@itu.int
Tel: +41 22 730 5111
