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ITU-T K.14 (11/1988)

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Provision of a metallic screen in plastic-sheathed cables
This Recommendation deals with planning and constructing telecommunication cable lines.It gives information about:
- the usefulness of a metallic screen in cases where noise interference may arise (e.g. in the vicinity of electrified railway lines, especially when thyristor controlled equipment is installed on locomotives);
- types of cables that should contain a metallic screen;
- properties of such screens;
- calculation of the screening factor;
- parameters affecting the screening factor (e.g. insulation of the outer covering, length of the cable);
- measuring the cable parameters.Reference is made to the Directives, Vol. IX and the manual The Protection of Telecommunication Lines and Equipment against Lightning Discharges, 1974, 1978.
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.14 (11/1988) In force
- here
3 K.14 (10/1984) Superseded - - Not available
2 K.14 (11/1980) Superseded - - Not available
1 K.14 (10/1976) Superseded - - Not available