Pioneer box type cable trays, also referred to as raceways or trunking, are enclosed cable protection channels designed to completely shield sensitive data, signal, and low-voltage lines from physical damage, dust accumulation, and electromagnetic interference. There are several types of cable trays, including ladder, perforated, solid bottom, basket, and channel trays. Today, electrical cable trays have become an essential component in industrial and commercial construction, providing a quick, economical, and. -piece tray istypically used in applications where visual esthetics are important. It is used in a range of applications with sp nch runs from the main cable tray system to electr cal devices or other equipment.