UL 60730-2-16A (ND)-2002 家用和类似用途的UL 60730-2-16A自动电气控制的国家差异. 第2部分: 自动电气水位控制器的特殊要求
National Differences For UL 60730-2-16A Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Automatic Electrical Water Level Controls (First Edition)