There is a doorbell work circuit diagram. A circuit diagram is a graphical representation of an electrical circuit that employs either simple representations of parts or industry standard symbols. The use of symbols is determined by the audience that is examining the graphic. The circuit of a doorbell with the two pushbuttons and a chime is a little complex. So, what is happening here is first, the two push-buttons are connected through a medium, making a single wire, and we connect this wire to the transformer’s first terminal. The two hard wires from the chime are connected to both buttons, and the second terminal of the transformer is connected to the chime.