This 3D model was originally created with Sketchup 13 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 Partially complete electric panel with ground, hot, neutral bus bars and knock-out holes for ½", ¾", and 1" hole connections to conduit. Bus bars come complete with screw terminals. Customize as you see fit! Currently configured for 9, 18, or 36 breakers depending on where you add the "hooks" for the breakers.