ITU K.47:2012

ITU K.47:2012 Protection Of Telecommunication Lines Against Direct Lightning Flashes Provides a procedure in order to protect telecommunication lines using metallic components (symmetric pair, coaxial or optical fibre cables) against direct lightning flashes to the line itself or to s

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Table of Contents

1Scope
2References
3Definitions
4Abbreviationsandacronyms
5Referenceconfiguration
6Lineperformancefordirectflashes
7Collectionarea
8Protectionfactor
9Protectionfactorofcables
10Protectivemeasuresappliedtotheline
11Protectivemeasuresappliedtotheline-structure
interface
AnnexA-Evaluationofthesheathbreakdowncurrent
(I[s])
AnnexB-Evaluationofthetestcurrent(I[t])
AppendixI-Expectedlossperdamage(L)
AppendixII-Rationalefortheprotectiveeffect
ofguard-wires
Bibliography

Abstract

Provides a procedure in order to protect telecommunication lines using metallic components (symmetric pair, coaxial or optical fibre cables) against direct lightning flashes to the line itself or to structures that the line enters.

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