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APA Citation
Institution,, B. S. (2020). BS 7211 AMD1. Electric cables. Thermosetting insulated and thermoplastic sheathed cables for voltages up to and including 450/750V for electric power and lighting and having low emission of smoke and corrosive gases when affected by fire.. London : British Standards Institution. http://access.bl.uk/ark:/81055/vdc_100105468886.0x000001