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BSI BS 4553-2:1998

Specification for 600/1000 V single-phase split concentric electric cables -- Cables having thermosetting insulation
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BSI BS 4553-2:1998

Specification for 600/1000 V single-phase split concentric electric cables -- Cables having thermosetting insulation

PUBLISH DATE 2005
PAGES 20
BSI BS 4553-2:1998

This British Standard specifies requirements for construction and gives methods of test for XLPE-insulated single-phase split concentric cables for operation on an earthed neutral system at nominal voltages up to and including 1 000 V between phases and 600 V to earth.

The cables specified in this part of BS 4553 have a central phase conductor insulated with XLPE and a concentric layer comprising bare copper wires (earth continuity conductor) and copper wires covered with extruded polymer (neutral conductor). The cables are intended for use in fixed installations in industrial areas, buildings and similar applications. They are suitable for use in situations where the combination of ambient temperature and temperature rise due to loading current results in a conductor temperature not exceeding 90 °C and for a maximum short-circuit conductor temperature of 250 °C.

NOTE 1 Limitation on the temperature of the cables may be imposed in situations where they may be touched.

NOTE 2 Due to the relatively high conductor temperature, there is a risk of drying out the surrounding soil causing an increase in thermal resistivity which in turn would lead to the cable temperature rising to a higher value than anticipated. For cable laid directly in the ground, a suitable de-rating factor should be applied or a lower maximum sustained conductor operating temperature should be assumed to take into account the possible effects of soil drying out.

NOTE 3 In installations which include cable joints and terminations, the performance of these accessories should be taken into account in deciding the maximum operating temperature of the cable.

Guidance concerning selection, installation and usage is given in Annex A, Annex B and Annex J respectively.

Construction requirements and methods of tests for cables intended for use in fixed installations in industrial areas, buildings and similar applications. For use where current loading gives conductor temperature rise not exceeding 90°C and where maximum short circuit conductor temperature is 250°C.
SDO BSI: British Standards Institution
Document Number 4553-2
Publication Date April 29, 2005
Language en - English
Page Count 20
Revision Level
Supercedes
Committee GEL/20/17
Publish Date Document Id Type View
April 29, 2005 BS 4553-2:1998 Revision