Historical
ANSI/ISA 12.12.01-2000
Nonincendive Electrical Equipment for Use in Class 1 and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations (Formerly ANSI/ISA 12.12-1994)
This standard applies only to equipment, circuits, and components designed specifically for use in Class 1 and II, Division 2 and Class III, Divisions 1 and 2 hazardous (classified) locations as defined in the National Electrical Code (NEC) ANSI/NFPA 70.
The International Society of Automation [isa]