Electrical Diagram Symbols. Electrical symbols virtually represent the components of electrical and electronic circuits. There are many electrical and electronic schematic symbols are used to signify basic electronic or electrical device.
Ansi ieee standard device numbers. Electrical symbols are standardized throughout the industry so it is easy to achieve the ability to interpret the meaning of the symbols. The standard electrical symbols are smart industrial standard and vector based for electrical schematic diagrams.
Drawing electrical circuit diagrams you will need to represent various electrical and electronic devices such as batteries wires resistors and transistors as pictograms called electrical symbols.
The symbols represent electrical and electronic components. The standard electrical symbols are smart industrial standard and vector based for electrical schematic diagrams. Electrical symbols and electronic circuit symbols are used for drawing schematic diagram. 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay 4 master contactor 5 stopping device 6 starting circuit breaker 7 rate of change relay 8 control power disconnecting device 9 reversing device 10 unit sequence switch 11 multifunction device 12 overspeed device 13 synchronous speed device 14 underspeed device 15 speed.