Wiring Size. Modern vehicle electrical circuits. Typical electrical circuit diagram. Electronic Circuit Symbols - Components and Schematic Diagram Symbols. In electronic circuits, there are many electronic symbols that are used to represent or identify a basic electronic or electrical device.
They are mostly used to draw a circuit diagram and are standardized internationally by the IEEE standard (IEEE Std 315) and the British Standard (BS 3939). NO changes can be brought by the user on any electronic symbol, but the user is free to bring any changes in the architectural drawings like power source and lighting. Electronic Symbols The symbols for different electronic devices are shown below. The fuse box. Circuit protection. Blade fuse holder.