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Zone Classification

Special Considerations

General

The zone classification method and its associated protection methods are not familiar to most users of the NEC. Therefore, users of this method must meet special requirements According to NEC Section 505.7, "Article 505 requires equipment construction and installation that ensures safe performance under conditions of proper use and maintenance." To ensure proper use and maintenance, special requirements are placed on the supervisor of work, and restrictions are placed on the use of both zone and division methods in the same facility or on the reclassification of areas from divisions to zones. to do area classification by zone or installations in areas classified by zone.

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

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