Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category D Ingestion-build-47786 BS EN 12312-20 is intended

BS EN 12312-20 is intended to be used in conjunction with BS EN 1915-1

perpendicular to the ground with flat bottoms

BS ISO 3776-1 specifies the location

BS EN 14620-1:2006 replaces BS 7777-1:1993 which has been withdrawn

Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category D Ingestion-build-47786 BS EN 12312-20 is intendedWhat is IEC 60332325 Best guidelines for testing electric cables and optical fibres about? IEC 60332325 covers category D for methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions IEC 60332325 relates only to small cables of overall diameter 12 mm or smaller and cross section of 35 mm2 or smaller installed on the test ladder to achieve a nominal total