Galvanised Steel Trunking, Cavity Floor Boxes, Cable Management, Grommets & More. RS offer a great range of high-quality cable tray accessories from industry-leading brands including Legrand, Cablofil International, Schneider Electric, Phoenix Contact and MECATRACTION. UL Classified as an equipment ground conductor, no field removal of paint required. These include providing support for electrical wiring in a variety of industrial, commercial, and residential locations. The following are the. For ease of installation and accessibility, lay cable and hose in trays instead of pulling it through conduit or raceway. These tray systems allow excellent ventilation and prevent sagging while routing.