UL 2238 CRD-2013 用于工业控制和信号分布的安全电缆组件和配件的UL标准. 节/条款参考: 第6.3.2段例外情况的主题: 阀罩用终端产品火焰测试 (第二版: 2011年5月4日)
UL Standard for Safety Cable Assemblies and Fittings for Industrial Control and Signal Distribution - Section/Paragraph Reference: Exception to paragraph 6.3.2 Subject: End Product Flame Test for Valve Enclosure (Edition 2: May 04, 2011)