UL 674 Ed. 4 标准详情
- 标准号:UL 674 Ed. 4
- 中文标题:电动机和发电机使用在1区危险(分类)位置
- 英文标题:Electric Motors And Generators For Use In Division 1 Hazardous (classified) Locations
- 标准类别:美国保险商实验室UL
- 发布日期:
Describes motors and generators for use in hazardous locations, Class I, Division 1, Groups C and D and Class II, Division 1, Groups E, F and G, in accordance with NFPA 70. Covers both horizontal and vertical machines with fractional and integral hor
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