Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category C Ingestion-build-202139 Additional guidance for the calculation

Additional guidance for the calculation algorithm

The scope of BS IEC 62679‑4‑2 is restricted to EPDs using either segment

spreadingsequence

Guidance in ISO 22634‑2 allows you to detect the benzo[a]pyrene in cigarette levels in cigarettes and enables you to limit their presence according to regulatory requirements

For switch mode power supply units

Tests on electric and optical fibre cables under fire conditions - Test for vertical flame spread of vertically-mounted bunched wires or cables. Category C Ingestion-build-202139 Additional guidance for the calculation1 Scope The series of International Standards covered by Parts 3 10, 3 21, 3 22, 3 23, 3 24 and 3 25 of IEC 60332 specifies methods of test for the assessment of vertical flame spread of vertically mounted bunched wires or cables, electrical or optical, under defined conditions. NOTE For the purpose of this standard, the term electric wire or cable covers all insulated metallic conductor cables used for the conveyance of energy or signals. The test is