This architectural drawing is Aluminum Expansion Guide Clamp with Zinc-Plated Steel design in detail AutoCAD drawing, CAD file, dwg file. For industrial installations with big diameter cables in long span circumstances, ITray's aluminum I-beam design is ideal because it reduces total tray width and creates a seamless transition between straight sections and fittings. Strong, mid-span splices with fewer supports are produced by a structural offset in the sidewall. For more details and information download the drawing file