In electrical engineering, circuit diagrams, wiring diagrams and schematics play different roles. Circuit diagram is a tool for design engineers, it shows in detail how the electrical components are connected and composed, focusing on the layout and function of the components to show that the component model is usually also labeled on this, but the specific information needs to refer to the physical label. For daily maintenance work, the wiring diagram is more practical, it is the site of the distribution cabinet connection of the precise schematic diagram, mainly for troubleshooting and maintenance operations, to ensure that the wiring with the actual equipment is consistent.
Schematic diagrams, on the other hand, focus on how circuits work, presenting the control flow through circuit symbols. It is a blueprint for a theoretical design and helps to understand how circuits can fulfill specific functions. During the design phase, engineers use schematics to conceptualize and plan circuit structures.
Wiring diagrams, also known as assembly diagrams, present the actual size and arrangement of components in a layout that is an indispensable guide to the installation and assembly process, with the location and pin connections of each component clearly labeled for ease of installation and debugging.
In summary, circuit diagrams, wiring diagrams and schematic diagrams are visual representations of three different phases of electrical engineering; circuit diagrams are used for design, wiring diagrams are used for maintenance, and schematic diagrams are used to design and understand the core principles of a circuit. Exactly which type of diagram you need to draw depends on whether your job description favors design, maintenance, or other levels of operation.