EN 60332-3-24-2009 着火条件下电缆和光缆的试验.第3-24部分:垂直束状电线或电缆垂直火焰蔓延的试验.C类[替代:CENELEC EN 50266-2-4]
Tests on electric and optical fibre cables under fire conditions - Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C