BS 7211:1994 : Specification for Thermosetting insulated cables (non-armoured) for electric power and lighting with low emission of smoke and corrosive gases when affected by fire
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This British Standard specifies requirements for non-armoured cables with thermosetting insulation of rated voltage up to and including 450/750V which, when assessed by tests specified in the standard, produce lower levels of smoke and corrosive gases under exposure to fire compared with PVC cables made to BS 6004.
In this standard corrosive (and acid) gases are defined as those which are determined either as HCl or by measurement of pH and conductivity, as appropriate.
The standard specifies construction and test requirements, including tests relating to performance under fire conditions.
BS 7211:1994 : Specification for Thermosetting insulated cables (non-armoured) for electric power and lighting with low emission of smoke and corrosive gases when affected by fire