Before you can define Electrical Area Based Loads, you must first define a closed region using Area Based Load Boundaries.
On the Modify | Place Area Based Load Boundary tab, use the Draw tools to sketch the area-based load boundary. For example, outline the portion of the building where you want to define a load.
To define the area-based load boundary
 Electrical Analysis panel 
 Area Based Load Boundary 
	 
. 
  For example, you might start by outlining the overall building floor plan.
The Multilevel Boundary property is enabled.
 Electrical Analysis panel 
 Area Based Load Boundary drop-down 
 Show Boundary Open-Ends 
	 
. To hide the dots, click Analyze tab 
 Electrical Analysis panel 
 Area Based Load Boundary drop-down 
 Hide Boundary Open-Ends 
	 
. 
  
 Additional Settings 
 Line Styles 
 Lines 
 <Area Based Load Boundary>.