IEC 60332-3-22：着火条件下电缆的测试 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测试 种类A
日期:2010-06-01 00:00
flame spread.
This part of IEC 60332 covers category A and relates to cables installed on the test ladder to achieve a nominal total volume of non-metallic material of 7 l/m of test sample. The flame application time is 40 min. The method of mounting uses the front of the ladder, a standard or wide ladder being used for cables having a conductor cross-section greater than 35 mm according to the number of test pieces required, and a standard ladder for conductor cross-sections 35 mm and smaller
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