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NOTE: This is an unformatted excerpt from our online fire protection training library.

Class III Areas

Equipment Selection

Equipment Not Specifically Listed

Very few types of equipment are available specifically listed or marked for Class III areas. Some equipment Some equipment
Space heaters, for example, are required to be identified as suitable for Class III areas. is so identified, but other equipment other equipment
Luminaires, for example. must meet two essential criteria: Enclosures must be dusttight to exclude fibers and flyings, and surface temperatures must be marked on the equipment.
Dusttight pushbutton, also suitable for Class I and Class II areas. (Courtesy of Appleton Electric Co., EGS Electrical Group)
NOTE: This is an unformatted excerpt from our online fire protection training library.

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