The position diagram shows the location of all components and is most often not included by the manufacturer.
Schematic diagrams are also known as ladder diagrams and are helpful when you need to see the electrical current flow. Schematics will not show the physical location of any equipment in the circuit. Schematic diagrams move from left to right. The left side is the hot or line side. Switches and loads are in the middle. Neutral or common is on the right side.