Holes can be drilled in the cable tray cover plate

Due to their exposure to the open air because of the cable trays, the wires contained within need a very durable outer covering. The regulations dictate that the cables must either be Type TC (also known as Tray Rated) or must be metal-armored (Type MC). A short piece of side rail that is punched with the standard factory hole pattern can be bolted to. Our Cable Tray Design Considerations Guide details key factors to consider when designing cable tray systems for industrial and commercial applications. It also demonstrates how Eaton's solutions and services can help: As an industry leader in cable tray, Eaton offers one of the widest ranges of. Although NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the documents, nor does it independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its. Main functions of cable trays include: Mechanical support – carry the weight of cables and protect them from excessive sagging or mechanical stress. It covers various aspects, including general safety rules, splicing methods for perforated and solid cable trays (H50 and H100), detailed steps for. The primary rulebook used in the safe use of cable trays is NEC Article 392. This is a description of how to select, install, and support these metal or plastic frames, on which electrical wires are installed.