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

Classification Basics

Area Classification

NEC Definitions

The NEC includes definitions of classified areas. Definitions of the following areas are also included in NFPA 497 and NFPA 499:

Class I, Division 1
Class I, Division 2
Class II, Division 1
Class II, Division 2
Class III, Division 1
Class III, Division 2
Class I, Zone 0
Class I, Zone 1
Class I, Zone 2

In addition, the NEC defines numerous protection methods that may be used in classified areas.

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

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