Apartment block electrical plan CAD dwg - CADblocksfree Download this FREE 2D CAD Block of an ELECTRICAL PLAN - APARTMENT BLOCK including grid lines dimensions and electrical legend. This AutoCAD drawing can be used for your electrical building design layouts. (AutoCAD 2000 format) Our CAD drawings are purged to keep the files clean of any unwanted layers. CAD Models In This Category Free Tutorial AutoCAD Electrical Plan - CAD Blocks Library Once you double-click with the left mouse button, you get the Insert dialog box for inserting blocks into AutoCAD. The block you selected is show in the preview. Select OK, and you will then be prompted for two things, insertion point, and rotation. Once you pick OK, you are prompted for the insertion point.