Protection of telecommunication lines using metallic conductors against lightning – Risk management |
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Recommendation ITU-T K.72 gives the methodology for evaluating the need for protection measures against lightning of telecommunication lines using metallic conductors. This method is based on the risk assessment: protection measures are necessary when the risk is greater than the tolerable risk. Maximum value of the tolerable risks is suggested.This Recommendation considers the risk of loss of service of the telecommunication network. The risk is evaluated through the risk components caused by lightning, which is the source of damage on telecommunication line as a function of the striking point with respect to the telecommunication line (lightning flashes direct to the line, near the line, or directly to the structures connected at the ends of the line).This Recommendation shall be used together with Recommendation ITU-T K.47, which provides the risk assessment and the protection measures against lightning flashes direct to the telecommunication line and to structures connected at the ends of the telecommunication line, and Recommendation ITU-T K.46, which provides the risk assessment and the protection measures against lightning flashes near the telecommunication line. |
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Citation: |
https://handle.itu.int/11.1002/1000/9409 |
Series title: |
K series: Protection against interference |
Approval date: |
2008-04-13 |
Provisional name: | K.risk |
Approval process: | AAP |
Status: |
Superseded |
Maintenance responsibility: |
ITU-T Study Group 5 |
Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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K Suppl. 3 (10/2015)
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ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event
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In force
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here
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here
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here
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K Suppl. 8 (11/2017)
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Resistibility analysis of 5G systems
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In force
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here
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here
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here
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K Suppl. 9 (05/2019)
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5G technology and human exposure to radiofrequency electromagnetic fields
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In force
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here
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here
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here
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K Suppl. 10 (11/2017)
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Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems
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In force
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here
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here
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here
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K Suppl. 13 (12/2021)
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Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use
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In force
|
here
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here
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here
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K Suppl. 14 (09/2019)
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The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment
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In force
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here
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here
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here
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K Suppl. 16 (10/2022)
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Electromagnetic field compliance assessments for 5G wireless networks
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In force
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here
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here
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here
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K Suppl. 19 (09/2019)
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Electromagnetic field (EMF) strength inside underground railway trains
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In force
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here
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here
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here
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K Suppl. 29 (07/2022)
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Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology
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In force
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here
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here
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here
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Title |
Approved on |
Download |
Mitigation measures for telecommunication installations – Chapter 10
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2006
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here
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Mitigation measures for telecommunication installations
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2004
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here
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Earthing and bonding
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2003
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here
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Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety
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2002
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here
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Earthing of telecommunication installations
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1976
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here
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