The app is a guide for the industrial electrical symbols. The main interface contains a list view of the electrical components when you click on the items you will get a full description of the components.
Major components are: Ac source Battery Capacitor Chassis ground Ground Circuit breaker DC source Diode Electric motor Electric switch Fuse Generator inductor led light bulb normally closed contacts normally open contacts push-button resistor space heater surge arrester thermal overload element transformer electrical transformer transistor.

If you have noticed any missing elements in our app please contact us and we will add it in the next update.