Constructed of continuously interlocked strip and is coated with sunlight resistant PVC jacket Hot-dipped galvanized steel core with a heavy coating of zinc and an integral copper wire, in sizes 3/8 to 1-1/4 built into the core Seals out abrasives, alcohol, coolants, corrosive fumes and gases, dirt, grease, mineral acids, non-concentrated fixed alkalines, petroleum oils, salt air and spray, water and weather Used in industrial and commercial applications for conveyors, blowers, cranes, air conditioners, machine tooling and lubrication equipment Suitable for direct burial Approved for exposed or concealed locations Smooth metal interior for easy wiring pulling Rated for temperature range of -30 C to 80 C, 60 C oil, -22 F to +176 F, 140 oil 1/2 x 25 0.622 inside diameter minimum