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ITU-T K.90 (07/2018)

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防止使用金属导体的电信线路受到直接雷击放电

ITU-T K.90建议书提供了关于电信网络工作人员（如，在户外作业时）在电源频率（DC、50 Hz和60 Hz）情况下遵守人体暴露于电磁场（EMF）安全限值而采用的评估技术手段和导则。本建议书不规定安全限值，它旨在提供技术和程序，以确定在工作现场采取任何预防措施的必要性。本建议书后附一个包括EMFACDC项目的电子附件。

Citation:	https://handle.itu.int/11.1002/1000/13633
Series title:	K series: Protection against interference
Approval date:	2018-07-14
Provisional name:	K.mag
Approval process:	AAP
Status:	In force
Maintenance responsibility:	ITU-T Study Group 5
Further details:	Patent statement(s) Development history

EditionsRelated Supplement(s)Related technical papers and reports

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
2.2	K.90 (2018) Amd. 2 (05/2021)	In force	here	-	here
2.1	K.90 (2018) Amd. 1 (05/2019)	In force	here	-	here
2	K.90 (07/2018)	In force	here	here	here
1	K.90 (05/2012)	Superseded	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
K Suppl. 3 (10/2015)	ITU-T K.20, K.21, K.45, K.82 – Additional criteria to protect telecommunication cabling during a power cross event	In force	here	here	here
K Suppl. 8 (11/2017)	Resistibility analysis of 5G systems	In force	here	here	here
K Suppl. 9 (05/2019)	5G technology and human exposure to radiofrequency electromagnetic fields	In force	here	here	here
K Suppl. 10 (11/2017)	Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems	In force	here	here	here
K Suppl. 13 (12/2021)	Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use	In force	here	here	here
K Suppl. 14 (09/2019)	The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment	In force	here	here	here
K Suppl. 16 (10/2022)	Electromagnetic field compliance assessments for 5G wireless networks	In force	here	here	here
K Suppl. 19 (09/2019)	Electromagnetic field (EMF) strength inside underground railway trains	In force	here	here	here
K Suppl. 29 (07/2022)	Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology	In force	here	here	here
K Suppl. 32 (06/2023)	Case studies of radio frequency- electromagnetic field (RF-EMF) assessment	In force	here	here	here

Title	Approved on	Download
Mitigation measures for telecommunication installations – Chapter 10	2006	here
Mitigation measures for telecommunication installations	2004	here
Earthing and bonding	2003	here
Guide to the use of ITU-T Publications produced by Study Group 5 aimed at achieving Electromagnetic Compatibility and Safety	2002	here
Earthing of telecommunication installations	1976	here