UL 2157 CRD-2013 电动洗衣机和甩干机的UL安全标准. 节/段落参考: 32.5主题: HB额定值的可替代端产品火焰测试 (第二版: 1997年6月1日)
UL Standard for Safety Electric Clothes Washing Machines and Extractors - Section/Paragraph Reference: 32.5 Subject: Alternative End Product Flame Tests for HB Rating (Edition 2: June 01, 1997)