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The National Electrical Code (NEC) and the Canadian Electrical Code (CEC) contain the sealing requirements to prevent the migration of flammable fluids from traveling through wiring systems to nonhazardous locations, This article reviews the need for the intent and application of these code requirements. Case studies of incidents are discussed to demonstrate that significant hazards exist and how...
The Canadian Electrical Code (CEC) is a prescriptive code that mandates the use of products that are certified to CSA standards and defines how electrical systems are installed. In Section 18, the CEC requires that the zone method of hazardous area classification be used for all new installations. The code is not specific about the products used and permits both IEC and class/division products. Both...
North American codes and standards that deal with hazardous (classified) locations have adapted elements of International Standards to take advantage of the best in global technologies for cost effective solutions without compromising the integrity, reliability, and safety of electrical installations and systems. The Canadian system effectively mandates the Zone method of area classification for new...
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