<p>This Architectural Drawing is AutoCAD 2d drawing of Section of cable tray in AutoCAD, dwg file. Generally speaking, <strong>the distance between the upper side of the cable trays and the ceiling may not be less than 300 mm</strong> and the vertical distance between the two parallel table trays may not be less than 150 mm. Along the vertical walls, there must be a minimum distance of 50 mm between the cable trays and the wall. For more details and information download the drawing file.</p>