The series of International standards covered by Parts 3-10, 3-21, 3-23, 3-24 and 3-25 of BS EN 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.

BS EN 60332 Tests on electric and optical fibre cable under fire conditions

-Part 3-10: Test for vertical flame spread of vertically mounted bunched wires or cables- Category -Apparatus着火条件下电缆的试验，第3-10部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验,仪器.

-Part 3-21: Test for vertical flame spread of vertically mounted bunched wires or cables- Category AF/R. 着火条件下电缆的试验，第3-21部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验种类AF/R

-Part 3-22: Test for vertical flame spread of vertically mounted bunched wires or cables- Category A. 着火条件下电缆的试验，第3-22部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验种类A

-Part 3-23: Test for vertical flame spread of vertically mounted bunched wires or cables- Category B. 着火条件下电缆的试验，第3-23部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验种类B

BS EN 60332-3-24:2009 Tests on electric and optical fibre cable under fire conditions-Part 3-25: Test for vertical flame spread of vertically mounted bunched wires or cables- Category C. 着火条件下电缆的试验，第3-24部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验种类C

BS EN 60332-3-25:2009 Tests on electric and optical fibre cable under fire conditions-Part 3-25: Test for vertical flame spread of vertically mounted bunched wires or cables- Category D. It is identical to IEC 60332-3-25:2000, incorporating amendment 1:2008. It supersedes BS EN 50266-2-5:2001 which is withdrawn. 着火条件下电缆的试验，第3-25部分: 垂直安装的成束电线或电缆的垂直火焰蔓延的试验种类D