ANSI/NFPA 496-2008 电气设备的清洗和密封外壳的标准

标准号：ANSI/NFPA 496-2008
中文标准名称：电气设备的清洗和密封外壳的标准
英文标准名称：Standard for Purged and Pressurized Enclosures for Electrical Equipment
标准类型：K04;K60
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：K04;K60
国际标准分类号：13.300;29.260.20
适用范围：This standard applies to purging and pressurizing for the following: (1) Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (2) Electrical equipment containing sources of flammable vapors or gases and located in either classified or unclassified areas (3) Control rooms or buildings located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (4) Analyzer rooms containing sources of flammable vapors or gases and located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 .This standard does not apply to electrical equipment located in: (1) Areas classified as Class I, Zone 0 (2) Areas classified as Class III (3) Areas where flammable liquids may be splashed or spilled on the electrical equipment.