ISA-12.10-1988 Area Classification in Hazardous (Classified) Dust Locations

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About

Scope:
This standard refers only to combustible mixtures created by dusts — such as agricultural, carbonaceous, plastic, chemical, and metal dusts. Such materials are classified in NEC® Article 500 as Class II, Groups E, F, and G.

This standard classifies a location based on its dust cloud concentration, its accumulated combustible dust layer thickness, and its dust bulk resistivity; it also contains references to, and data on, the explosivity of common dusts, as well as references to laboratory equipment and test procedures for evaluating the explosivity of dusts.

Purpose:
This standard recommends procedures for classifying locations made hazardous by the presence of a cloud or blanket of combustible dust. It conforms with the U.S. National Electrical Code® (NEC®) and the Canadian Electrical Code (CEC), and is intended to expand and clarify both.

Related Product(s) ISA-12.10-1988 - Area Classification in Hazardous (Classified) Dust Locations (Downloadable)