Outline of Investigation for Electric Motors and Generators for Use in Class I@ Division 2@ Class I@ Zone 2@ Class II@ Division 2 and Zone 22 Hazardous (Classified) Locations (Issue 5)
These requirements cover electric motors and generators for use in hazardous (classified) locations in accordance with the National Electrical Code@ NFPA 70@ as follows: Class I@ Division 2; Class I@ Zone 2; Class II@ Division 2; Class III@ Division 1 and 2; and Zone 22. These requirements cover both horizontal and vertical machines that have fractional and integral horsepower ratings. These requirements do not cover intrinsically safe motors.