IEC 60332-3-25:2000/AMD1:2008
Amendment 1 - Tests on electric and optical fibre cables under fire conditions - Part 3-25: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category D
发布时间:2008-12-12 实施时间:


IEC 60332-3-25:2000/AMD1:2008标准适用于所有电缆,包括电力电缆、通信电缆、控制电缆等。该标准要求将电缆垂直安装,并将其暴露在一定的火焰源下,以评估电缆的垂直火焰蔓延性能。测试时,将电缆分成若干束,每束包含不超过12根电缆,每根电缆的长度为3m。测试时,将电缆束垂直安装在测试装置上,然后点燃一定的火焰源,观察电缆的火焰蔓延情况。

根据测试结果,将电缆分为不同的类别。D类测试是最严格的测试,要求电缆在测试过程中不能出现任何火焰蔓延,也不能出现任何燃烧滴落。如果电缆通过了D类测试,说明其在火灾条件下具有很好的防火性能,可以在各种场合下使用。

IEC 60332-3-25:2000/AMD1:2008标准的实施可以有效保障人员和财产的安全。在火灾发生时,电缆的燃烧会加剧火势,导致火灾蔓延更快,给人员和财产带来更大的损失。因此,对电缆的防火性能进行测试和评估,可以有效减少火灾的发生和扩散,保障人员和财产的安全。

相关标准
- IEC 60332-1-1:2015 Tests on electric and optical fibre cables under fire conditions - Part 1-1: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame
- IEC 60332-1-2:2004 Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame - Category A
- IEC 60332-1-3:2004 Tests on electric and optical fibre cables under fire conditions - Part 1-3: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C
- IEC 60332-1-4:2004 Tests on electric and optical fibre cables under fire conditions - Part 1-4: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category B
- IEC 60332-2-1:1993 Tests on electric and optical fibre cables under fire conditions - Part 2-1: Procedures - Test for vertical flame propagation for a single insulated wire or cable