Definition(s)


Line of Demarcation

The “line of demarcation” means the dividing line used administratively to distinguish between the areas in which structures shall conform to Class “A” and Class “B” or “C” requirements.

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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