Explore various cable tray types and sizes for electrical installations. Strong and durable – Made of hot-dip galvanized steel or stainless steel, suitable for indoor and outdoor applications. Learn about ladder, perforated, solid-bottom, wire mesh, and channel trays in this complete guide. Wire Mesh Cable Tray. ABB designs and manufactures cable tray systems, including perforated tray, cable ladder, channel tray and strut (metal framing), directly from production facilities in Canada and Saudi Arabia. Of course. Ladder cable trays consist of two longitudinal side members connected by individual transverse members and provide solid side rail protection and system strength with smooth radius fittings and a wide selection of materials and finishes. Materials available: Aluminum, Steel, Steel HDGAF, Stainless.