The invention relates to a vertical concave elbow for a tray cable bridge, which comprises a groove rack, wherein the whole groove rack is L-shaped; two openings of the groove rack are connected by chamfers; and cushions are arranged at connecting parts of the openings, so that on. The invention relates to a vertical concave elbow for a tray cable bridge, which comprises a groove rack, wherein the whole groove rack is L-shaped; two openings of the groove rack are connected by chamfers; and cushions are arranged at connecting parts of the openings, so that on. The invention discloses a vertical elbow for a cable tray. The vertical elbow comprises two groups of trapezoidal racks, supporting frames and connecting holes. The trapezoidal racks are right-angled, the middles of the trapezoidal racks are gently connected through chamfers, the two groups of. Below the present invention is further described: as Figure 1-3 As shown, a method for manufacturing a horizontal elbow of a trough-type cable tray is carried out according to the following steps: First, measure the two bridges that need to be connected by an elbow to determine the. A collection of components for a cable tray system provide the components and basic hardware for assembling and installing a cable tray that can change direction in three dimensions to avoid obstacles or other cables' trays while negotiating a designated space. Components of the cable tray system. The invention refers to a tray which serves to guide and hold electrical or similar wires. It is applicable to wire mesh trays with a plurality of-sections, where each section is made up of longitudinal metal wires that are welded to transversal metal wires in a "U" shape, they are laid out. (54) INTERSECTION SYSTEM FOR OVERHEAD CABLE TRAYS (57)A cable-tray intersection system that connects a rsfiwit re basketand an nitersecng tisecond wire basket.