Unclassified location

An unclassified location is a location not classified as Division 1 or Division 2, or Zone 0, Zone 1, or Zone 2. NOTE: Within this document, the term unclassified location is used synonymously with the term nonclassified location.

Source: API RP 14F, Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class 1, Division 1 and Division 2 Locations, Fifth Edition, July 2008. Global Standards

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