C-channel cable trays have a C-shaped cross-section, while Z-channel cable trays have a Z-shaped cross-section. Material : Steel, Aluminum, or Stainless Steel. Size : 50mm to 600mm in width, and 25mm to 150mm in height. Harsha Group offers a range of C-channel and Z-channel cable trays, which are versatile solutions for cable management in various industrial, commercial, and residential applications. These cable trays are made from high-quality materials such as steel, aluminum, or stainless steel, providing. The work covered under this section consists of the furnishing of all necessary labor, supervision, materials, equipment, tests and services to install complete cable tray systems as shown on the drawings. Cable tray systems are defined to include, but are not limited to straight sections of. C channels are used for cable tray support and can be easily attached to walls or ceilings using brackets. Available in various materials and sizes. Ideal for heavy-duty. In practice, cable tray dimensions are a system of interrelated measurements —width, depth, length, and material thickness—that directly affect cable fill compliance, heat dissipation, structural loading, and long-term expandability.