Rooftop cable tray supports various cable runs with self-splicing covers, eliminating splice needs for easy rooftop protection. Rooftop cable trays are an essential component for organizing and managing electrical cables in commercial and industrial buildings with rooftop. As buildings contain more and more devices and systems requiring structured cabling, the need for sturdy cable tray supports is growing. When it comes to orderly power and cable distribution on roof areas, stable and reliable support structures are essential. Layout isolation pads, (provided by contractor), according to the design and layout. Insert legs of duct support into bases and attach with. Shipping Notice: Due to the size and dimensions of this item, freight estimates at checkout may not be accurate. For the most accurate quote, please contact our chat agents or call 800.