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Hazardous Location Conduit Unions, Expansion Unions & Nipples
These unions, expansion unions, and nipples join pieces of heavy-wall RMC and medium-wall IMC metal conduit together, or join electrical boxes and enclosures in hazardous industrial locations, such as petroleum refineries, gasoline storage areas, and petrochemical facilities. They form a tight seal to protect wire and cable in areas where flammable gases, vapors, powdered metals, or dust is present.