Cable trays support insulated electrical cables in industrial and commercial settings. There are several types of cable trays, including ladder, perforated, solid bottom, basket, and channel trays. A rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. A cable tray system is an essential part of modern electrical installations, designed to support, protect, and organize electrical cables efficiently. Unlike conduit systems, cable trays allow cables to be laid in bundles, improving accessibility, heat. This article will explain the main types of cable trays clearly, helping you pick the best fit for your needs.