This Southwire 3/8 in. x 100 ft. Metallic Conduit offers a PVC jacket over a galvanized steel construction for use in exposed, concealed or direct burial applications. Accommodates use in direct burial applications, exposed or concealed areas, hazardous areas, service entrances up to 6 ft. in length and under raised floors in data processing areas. -22° - 176°F temperature range (up to 140°F when exposed to oil). Southwire Company, LLC is North America's leading manufacturer of wire and cable used in the distribution and transmission of electricity. Throughout its history, our company has sought to help provide power through our products, our service and by helping empower our customers, employees and communities.