DS DS/EN 50266-1
DS DSEN 50266-1 2001-MAR-29 Common test methods for cables under fre condtons - Test for vertcal flame spread of vertcally-mounted bunched wres or cables - Part 1 Apparatus
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EN 50266 specifies methods of test for the assessment of vertical flame spread of vertically-mounted bunched wires or cables, electrical or optical, under defined conditions. This part 1 details the apparatus and its arrangement and calibration.