Pressurization, Type Z

A method of reducing the classification within an enclosure from Division 2/Zone 2 to nonhazardous (unclassified).

Source: API Recommended Practice 14FZ, Recommended Practice for Design, Installation, and Maintenance of Electrical Systems for Fixed and Floating Offshore Petroleum Facilities for Unclassified and Class I, Zone 0, Zone 1, and Zone 2 Locations, Second Edition, May 2013. Global Standards

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