-
Electrical cable trays 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 the operation environment. Hazardous locations are defined in Article 500 of the National E ectrical Code® (NEC®) 2020. Cable must ha minated with listed fittings. Type. location exists, different standards and regulations may apply. Chemical plants have risks like explosive gases, dusts, or vapors. It's serious business – around 15% of chemical plant explosions happen because of. This section covers the requirements for electric equipment and wiring in locations that are classified depending on the properties of the flammable vapors, liquids or gases, or combustible dusts or fibers that may be present therein and the likelihood that a flammable or combustible concentration. Any electrical installation in explosive atmospheres must comply with EN 60079-14 Explosive atmospheres.
[PDF Version]