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  Home : ITU-T : Publications : Recommendations : K Series : K.21 : K.21 (07/26)
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K.21 : Resistibility of telecommunication equipment installed in customerpremises to overvoltages and overcurrents  

Recommendation K.21 (07/26)

Approved in 2026-07-29

Status : In force (prepublished)

 

Summary

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 Locked  Document restricted to TIES users [ITU-T]

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Format Size Posted Article Number TIES users
English

Word 2007 Document Word 2007

 275337 bytes 2026-08-05 E 80000  Download

PDF Document PDF (acrobat)

746206 bytes 2026-08-05   Download

 

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Updated : 2026-08-05