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Content DescriptionImproperly secured covers on outdoor cable trays can cause a serious hazard in harsh environment conditions such as wind, snow, and ice. In the most cases, covers are not used on cable trays for technical or safety reasons. Customers with experience with “raceways” tend to lean towards requiring that cable trays be completely enclosed in metal. The technical properties of tray rated cables incorporate mechanical and UV protection built into their construction. This makes the use of covers unnecessary and if they are used, they should be the ventilated typeAbout NEMANEMA is an abbreviation for National Electrical Manufacturers Association. It is a trade association representing manufacturers of electrical products and equipment. NEMA develops and publishes industry standards for various aspects of electrical engineering, including enclosures, motors, and more. |
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