Hubbell® PREMISE WIRING NEXTFRAME® ladder rack is the effective and widely used cable runway that supports and delivers bundles of cable between cabinets, racks and closets, along walls and suspended from ceilings. The ladder rack system features light, rugged, tubular steel construction. It is designed for mechanical support and strain relief in long runs of cable and creates a smooth gradual bend for cable. Rail and stringer material is 16 ga steel tubing. The NEXTFRAME® ladder rack is available in popular gray and black finishes to complement equipment in any data center. The complete NEXTFRAME® ladder rack system features a broad line of sizes and fittings required for proper installation.