Which component in an electric control circuit shows wiring to be installed at the site?

The control panel diagram is integral in showcasing how various components within an electric control circuit are connected and how wiring should be configured on-site. This diagram provides a visual representation that illustrates the layout of the control system, detailing the connections and interactions between different elements such as switches, relays, sensors, and other devices.

The value of the control panel diagram lies in its clarity, as it serves as a guide for electricians and technicians tasked with installing the equipment. It reflects the precise wiring and component arrangement needed to ensure the system operates as intended. In practice, it allows for efficient installation since personnel can refer to it directly to understand the required connections and layout.

While field terminals, on-site documentation, and schematic representations may provide important information related to the circuit, they do not specifically illustrate the installation wiring in the same clear, directive manner as a control panel diagram. The diagram functions as a practical tool for ensuring that the installation process follows the designed electrical specifications.