What is one key feature of a wiring diagram?

A wiring diagram is particularly valuable because it simplifies the illustration of connections and layout of an electrical system. This feature allows technicians and electricians to understand at a glance how different components are interconnected, which is crucial for troubleshooting, installation, and maintenance. By providing a clear and straightforward visual representation, a wiring diagram helps in identifying the paths of electricity, as well as the relationships between various devices within the system.

In contrast, listing electrical components by their weight would not be useful for understanding functionality or electrical connections. A complex breakdown of voltage drop calculations, while important in certain analyses, would not serve the primary goal of a wiring diagram, which is clarity and ease of use in depicting connections. A complete electrical code review pertains more to compliance and regulatory standards than to the practical, visual aspects of wiring layouts.