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ANSI/ISA 61241-10 (12.10.05)-2004

Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations - Classification of Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations

This document is concerned with the classification of areas where explosive dust atmospheres and combustible dust layers are present, in order to permit the proper selection of equipment for use in such areas. In this document, explosive dust atmospheres and combustible dust layers are treated separately.

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The International Society of Automation [isa]

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