A Wiring Diagram is a visual representation of the electrical circuit system, showcasing how electrical wires are interconnected and can also show where fixtures and components may be connected to the system. Coursera's Wiring Diagram catalogue teaches you the intricacies of creating, understanding, and interpreting wiring diagrams. You'll learn about symbols and conventions used in diagrams, the differences between series and parallel circuits, and the principles of electrical safety. Moreover, you will be equipped with the knowledge to troubleshoot electrical problems, layout plans for electrical system installations, and understand the electrical principles underlying complex electronics systems.