UL 844 BULLETINS-2004
危险(分级)场所用电气照明灯具

Electric Lighting Fixtures for Use in Hazardous (Classified) Locations

UL 844 BULLETINS-2004 发布历史

Covers electric lighting fixtures for installation and use in hazardous (classified) locations, Class I, Divisions 1 and 2, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; Class II, Division 2, Groups F and G; and Class III, Divisions 1 and 2, in accordance with the National Electrical Code, ANSI/NFPA 70. UL 844 also covers explosion-proof luminaries for installation and use in Class I, Zone 1, Groups IIA, IIB, IIB plus Hydrogen, and IIC hazardous (classified) locations.

UL 844 BULLETINS-2004由美国保险商实验所 US-UL 发布于 2004。

UL 844 BULLETINS-2004 在中国标准分类中归属于: K73 特殊灯具，在国际标准分类中归属于: 29.140.40 照明设备。

UL 844 BULLETINS-2004的历代版本如下：

• 2003年 UL 844 BULLETINS-2003 危险(分级)场所用电气照明灯具
• 2004年 UL 844 BULLETINS-2004 危险(分级)场所用电气照明灯具
• 2006年01月01日 UL 844 BULLETINS-2006 危险保密场所的电气照明装置安全标准

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标准号

UL 844 BULLETINS-2004

发布日期

2004年

实施日期

废止日期

无

中国标准分类号

K73

国际标准分类号

29.140.40

发布单位

US-UL

适用范围

Covers electric lighting fixtures for installation and use in hazardous (classified) locations, Class I, Divisions 1 and 2, Groups A, B, C, and D; Class II, Division 1, Groups E, F, and G; Class II, Division 2, Groups F and G; and Class III, Divisions 1 and 2, in accordance with the National Electrical Code, ANSI/NFPA 70. UL 844 also covers explosion-proof luminaries for installation and use in Class I, Zone 1, Groups IIA, IIB, IIB plus Hydrogen, and IIC hazardous (classified) locations.