Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category A F/R Ingestion-build-159183 It makes this version compatible

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Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category A F/R Ingestion-build-159183 It makes this version compatibleWhat is IEC 60332 3 21 Test for vertical flame spread about? IEC 60332 3 21 series covers category A F R for methods of test for the assessment of the vertical flame spread of vertically mounted bunched wires or cables, under defined conditions. IEC 60332 3 21 relates only to power cables of conductor cross sectional area greater than 35 mm2 installed on the test ladder in a spaced configuration on the front and rear to achieve a nominal total volume