For example, the resistor can have 12 kinds of variations. It shows when the symbol is selected or when the pointer is over the symbol. Step 2.2: You can also change the shape of the symbol via the floating menu/action button. A double-sided arrow shows the direction to which you can move the mouse, and you can only move the symbol when a four-direction arrow appears. You can resize the selected symbol by dragging the selection handles. Step 2.1: As you are into the workspace of EdrawMax, drag the symbol that you need directly onto the canvas. Click the icon of Basic Electrical to open the library that includes all symbols for making electrical diagrams. An extensive collection of electrical diagram templates can be found in the Electrical Engineering category. Step 1: Launch EdrawMax on your computer.