The Cable Tray Slope & Fabrication Calculator is a field-ready tool for electrical construction workers who need to quickly calculate V-cut dimensions, bolt hole positions, slope length, and hanger spacing for inclined cable tray installations. A properly designed and installed cable tray system will provide. Calculate horizontal, vertical, or compound cable tray offsets based on bend angle, offset distance, and available installation space. Measure this distance along the straight tray. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. Slope is applied to cable tray in the Z direction of the current coordinate system in the drawing (typically the vertical direction for a building plan). In the Electrical workspace, click Manage tabPreferences panelCable Tray. In the Cable Tray Layout Preferences dialog box on the Routing tab. -piece tray istypically used in applications where visual esthetics are important. Channel tray can protect against.