Miscellaneous.
Symbols of Electrical Things.
An electronic symbol is a pictograph used to represent various electrical and electronic devices (such as wires,batteries, resistors, and transistors) in a schematic diagram of an electrical or electronic circuit. These symbols can (because of remaining traditions) vary from country to country, but are today to a large extent internationally standardized. Some symbols represent components which ceased to be used routinely as newer technologies were introduced (such as vacuum tubes).
