Which component is illustrated in an Electrical Pictorial Diagram?

The correct answer highlights that an Electrical Pictorial Diagram includes all electrical components. This type of diagram is designed to provide a comprehensive visual representation of the electrical system, showcasing not only the wiring connections but also all the various electrical components that make up the system. These components can include circuit breakers, switches, motors, and any other devices involved in the electrical circuit.

By encompassing all electrical components, this diagram allows for a better understanding of how the electrical system functions as a whole. It helps technicians visualize the connections between components and the overall configuration of the system, which is essential for installation, maintenance, or troubleshooting.

In contrast, focusing solely on circuit breakers, major appliances, or only wiring connections would provide an incomplete picture, missing critical information needed for effective work on the electrical systems.