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The IECEx Conformity Assessment (CA) System is operated under the direction of the International Electrotechnical Commission (IEC). It comprises four separate schemes that provide international services to industries involved with explosive atmospheres (Ex) applications. These services include the certification of Ex equipment, the certification of Ex service facilities, and the certification of Ex...
This document explores the use of combustible gas detection as a means of supplementary protection in hazardous locations. The use of combustible gas detection in the context of a hazardous area classification design is reviewed and its use as a means to interlock ignition capable equipment is discussed. IEC and North American codes, standards and recommended practices are referenced. A case example...
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