1. ANSI/API RP 500-1998 Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1 or Division 2
2. ANSI/API RP 505-1998 Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, Zone 1, and Zone 2
3. ANSI/NFPA 70-1996 National Electrical Code
4. Creating a continuous impovement environment for electrical safety;Cole;IEEE Trans. Ind. Appl.,1994
5. ANSI/NFPA 70E-1995 Standard for Electrical Safety Requirements for Employee Workplaces