AutoCAD drawing of Cable Tray Fixed Flat drawing shows galvanised cable tray fixed horizontal on vertical wall and external isolator mounting detail that shows flat galvanised steelbar (3mm x 25mm), galvanised bolts, armored cable fixed on cable tray by cable cleats/ties as appropriate, perforated galvanised heavy duty cable tray and perforated galvanised heavy duty cable tray. download free electrical cable wall mounting detail DWG file.