<p>This Architectural Drawing is AutoCAD 2D drawing of INSPECTION BOX - (PRECAST CONCRETE). In this Drawing, GO TO NEUTRAL, INSPECTION BOX, COPPER CABLE NÚ, GROUNDING ROD LENGTH 2400 MIN, like details are mentioned. The purpose of the grounding grid is to serve the dual purpose of carrying currents into the earth without exceeding the operating tolerances of any protected equipment while assuring that personnel in the vicinity are not exposed to electric shock as would result from excessive step or touch potentials. Fore More Details and Information Download the drawing file.</p>