<p>This architectural drawing is 2D cross section BB' of power distribution system. In this drawing the height of the system is 600. The measuring cubicle must be closed up to the ceiling with masonry division and sealable screen frame. The height of the door is 210. For more details and information download the drawing file.</p> <pre id="tw-target-text" class="tw-data-text tw-text-large tw-ta" dir="ltr" data-placeholder="Translation"></pre>