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BS 7835-2007
Electric cables. Armoured cables with thermosetting insulation for rated voltages from 3.8/6.6 kV to 19/33 kV having low emission of smoke and corrosive gases when affected by fire. Requirements and test methods CORR 1:August 2008
适用范围：This British Standard specifies requirements and test methods for theconstruction, dimensions and mechanical and electrical properties ofarmoured cables with thermosetting insulation for rated voltages from3.8/6.6 (7.2) kV up to 19/33 (36) kV inclusive which, when assessed bythe specified tests, produce lower levels of smoke and corrosive gaseson exposure to fire compared to the cables specified in BS 6622. Itcovers cables designed for a maximum continuous conductor operatingtemperature of 90 °C and for a maximum short circuit conductortemperature of 250 °C, for use in fixed installations such as networks orindustrial installations.This British Standard specifies single-core and three-core cables forvoltages in the range 3.8/6.6 (7.2) kV up to 19/33 (36) kV, with:• a stranded copper, stranded aluminium or solid aluminiumconductor or conductors;• cross-linked polyethylene or cross-linked ethylene propylenerubber insulation;• a metallic screening layer of copper wire or copper tape and/or ametallic armour of aluminium or galvanized steel wire;• a thermoplastic oversheath.NOTE Guidance on the selection of cables is given in Annex A.Information to be supplied by the purchaser, and items to be agreedbetween the purchaser and the manufacturer, at the time of enquiryand/or order, are given in Annex B. Recommendations for the installationof cables are given in Annex C. Guidance on the use of cables is given inAnnex D.
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