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ITU-T K.9 (11/1988)

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Protection of telecommunication staff and plant against a large earth potential due to a neighbouring electric traction line
This Recommendation deals with planning and constructing buried telecommunication cables in the vicinity of electric traction lines. It gives information about:
- precautions to be used to avoid danger to personnel and installations;
- conditions that may cause the EPR and parameters influencing its magnitude;
- protective measures and devices that may be required;
- the effects of EPR caused by different traction systems (a.c. or d.c.).
Approval date: 1988-11-25
Approval process:WTSA
Status: In force
Maintenance responsibility: ITU-T Study Group 5
Further details: Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
4 K.9 (11/1988) In force
- here
3 K.9 (10/1984) Superseded - - Not available
2 K.9 (11/1980) Superseded - - Not available
1 K.9 (10/1976) Superseded - - Not available