Electric cables. Thermosetting insulated, non-armoured cables with a voltage of 600/1 000 V, for fixed installations
Electric cables. Thermosetting insulated, non-armoured cables with a voltage of 600/1 000 V, for fixed installations
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1 Scope This British Standard specifies requirements and test methods for the construction and performance of non-armoured cables with thermosetting insulation of rated voltages 600/1 000 V. Cables specified in this British Standard are intended for use in fixed installations in industrial areas, buildings and similar applications but not for burial in the ground, either directly or in ducts. The cables specified in the standard are all stranded copper conductor, thermosetting insulated, PVC sheathed types. There are single-core types, and multi-core types (2-, 3-, 4- and 5-core). The insulation and other components are suitable to permit operation of the cables at a maximum sustained conductor temperature of 90 °C and for a maximum short-circuit conductor temperature of 250 °C (for a maximum period of 5 s).
NOTE 1 Limitation on the temperature of the cables may be imposed in situations where they could be touched, or where they could touch other materials.
NOTE 2 In installations that include wiring accessories, junction boxes and consumer units, etc., the performance of these accessories should be taken into account in deciding the maximum operating temperature of the cable.
NOTE 3 Annex A gives guidance on the use of these cables, Annex B gives the compatibility test, Annex C gives the abrasion test, Annex D gives notes on type tests and Annex E gives green-and-yellow measurement for shaped conductors. ...
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