Cabletech Hazardous Locations

Can cable trays be used in explosion-proof locations

Cable Trays have been permitted in the hazardous (classified) locations in the National Electrical Code for Class I (flammable vapor and gases) since the 1978 NEC and have been used extensively in chemical plants, refineries, and other types of facilities. This article is about code requirements. In North America, the National Electrical Code (NEC) and Canadian Electrical Code, Part I (CEC) define the requirements for the types of cable that are permitted to be used in different hazardous (classified) locations. Chemical plants have risks like explosive gases, dusts, or vapors. It's serious business – around 15% of chemical plant explosions happen because of. NFPA70-NEC uses a “Class, Division” system to rate the type of hazard and the severity. In other parts of the world, ATEX and IEC are used – see table 1, and hazardous locations are dealt with using a “Zone System”. location exists, different standards and regulations may apply. Cable must ha minated with listed fittings.

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