-
Can trapezoidal cable trays be used outdoors
When it comes to managing cables in outdoor environments, the question of whether wire mesh baskets and cable trays are suitable arises frequently. The short answer is yes, they can. Grounding: Metallic trays (Steel, Aluminum) can be used as part of the equipment grounding conductor, but this must be designed and labeled per code (e. This post will discuss what makes them. NewReach's outdoor cable trays are designed to support and protect electrical cables in outdoor environments. They can endure harsh weather conditions, such as rain, snow, wind, and extreme temperatures, guaranteeing that electrical installations stay safe and reliable. Because of its closed design, this type of tray should e used in applications where there is minimal risk of heat generation and buildup. When equipped with a solid cover, this type of cable tray can be used t -piece. Are they using the Exception to (7) rule which allows TC-ER cables to extend without continuous support upto 6ft? What is the point of having an -ER (-Exposed Run) classification per UL 1277 where the cable has to meet impact and crush tests similar to MC cables if it can only run a max of 6ft.
[PDF Version]