Solid-bottom trays – prioritize cable protection in environments with contaminants or sensitive cables. Wire mesh trays – lightweight, highly ventilated, and flexible; ideal for data, telecom, and control wiring. Channel trays – compact, for short runs and light cables where. Is your cable tray system optimized for safety, dependability, space and cost savings? Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and. Cable tray systems are engineered support structures designed to route, support, and protect insulated electrical cables used for power distribution, control, instrumentation, and communication. Unlike conduit systems, cable trays allow cables to be laid in bundles, improving accessibility, heat. association representing the major electrical equipment manufac-turers in the U. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. With all the choices in cable trays styles, ladder, ventilated, solid bottom and wire basket, it can be difficult to know which is the right one for your application. This bulletin will help provide a few guidelines to consider when deciding which style to use. First the engineer or designer should. Zero Tangent Fittings Tangent eliminate the wasted space in tightly packed areas, allowing more tray runs to distribute the heat.