Electrical Symbols, Electrical Diagram Symbols

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.

Traditionally these symbols may vary from country to country, but today they are standardized internationally to a large extent.

How to create Electrical Diagram? It’s very easy! All you need is a powerful software. It wasn’t so easy to create Electrical Symbols and Electrical Diagram as it is now with electrical diagram symbols offered by the libraries of Electrical Engineering Solution from the Engineering Area at the ConceptDraw Solution Park.

Electrical Symbols, Electrical Diagram Symbols

Example 1. Electrical Symbols: the libraries of Electrical Diagram Symbols in ConceptDraw STORE

Electrical Engineering Solution includes the set of electrical engineering samples, which can be not only viewed but also edited in ConceptDraw PRO. It's convenient to use the predesigned electrical symbols from 26 libraries: 926 electrical schematic symbols of Electrical Engineering Solution.

  • Analog and Digital Logic library contains 40 electrical element symbols of logic (threshold) gates, bistable current switches, current controllers, regulators, electrical generators, and amplifiers. Use it for drawing the digital and analog functions in electronic circuit diagrams and electrical schematics.

    Analog and Digital Logic Library, electrical symbols

    Pic 1. Electrical Symbols: Analog and Digital Logic Library


  • Composite Assemblies library contains 44 electrical element symbols of transmitters (electronic amplifiers, repeaters), static devices (rectifiers), phase shift circuits, gyroscopes, and gyrators. Use it to design the electronic circuit diagrams and electrical schematics.

    Composite Assemblies Library, electrical symbols

    Pic 2. Electrical Symbols: Composite Assemblies Library


  • Delay Elements library contains 12 electrical element symbols of delay elements for drawing electrical schematics and electronic circuit diagrams.

    Delay Elements Library, electrical symbols

    Pic 3. Electrical Symbols: Delay Elements Library


  • Electrical Circuits library contains 49 electrical element symbols of electrical and electronic devices, including ignitors, starters, transmitters, circuit protectors, transducers, radio and audio equipment. Use it for drawing electronic circuit diagrams and electrical schematics.

    Electrical Circuits Library, electrical symbols

    Pic 4. Electrical Symbols: Electrical Circuits Library


  • Electron Tubes library contains 36 electrical element symbols of electron tubes. Use it for drawing electrical schematics and electronic circuit diagrams.

    Electron Tubes Library, electrical symbols

    Pic 5. Electrical Symbols: Electron Tubes Library


  • IGFET library contains 18 electrical element symbols of IGFET (insulated-gate field-effect transistor) elements for drawing electronic circuit diagrams.

    IGFET Library, electrical symbols

    Pic 6. Electrical Symbols: IGFET Library


  • Inductors library contains 41 electrical element symbols of inductor elements for drawing electronic circuit diagrams.

    Inductors Library, electrical symbols

    Pic 7. Electrical Symbols: Inductors Library


  • Integrated Circuit library contains 43 components for integrated circuit design, including transducers, rotary devices, converters, registers, analog switches, counters, registers, decoders, and multiplex transmitters.

    Integrated Circuit Library, electrical symbols

    Pic 8. Electrical Symbols: Integrated Circuit Library


  • Lamps, Acoustics, Readouts library contains 35 electrical element symbols of lamps, acoustic components, electrical measuring instruments for drawing electrical schematics and electronic circuit diagrams.

    Lamps, Acoustics, Readouts Library, electrical symbols

    Pic 9. Electrical Symbols: Lamps, Acoustics, Readouts Library


  • Logic Gate Diagram library contains 17 electrical element symbols for drawing logic gate diagrams.

    Logic Gate Diagram Library, electrical symbols

    Pic 10. Electrical Symbols: Logic Gate Diagram Library


  • MOSFET library contains 18 symbols of MOSFET (metal–oxide–semiconductor field-effect transistor) elements for drawing electronic circuits diagrams.

    MOSFET Library, electrical symbols

    Pic 11. Electrical Symbols: MOSFET Library


  • Maintenance library contains 14 electrical symbols for maintaining electrical and electronic systems, including test, feedback and reference signals; pulses; relay contacts and coils; composite and amplifier circuits.

    Maintenance Library, electrical symbols

    Pic 12. Electrical Symbols: Maintenance Library


  • Power Sources library contains 9 electrical element symbols of power sources, power supplies and batteries for drawing the electrical schematics and electronic circuit diagrams.

    Power Sources Library, electrical symbols

    Pic 13. Electrical Symbols: Power Sources Library


  • Qualifying library contains 56 qualifying symbols. Use these shapes to annotate or specify characteristics of objects in electrical drawings, electronic schematics, circuit diagrams, electromechanical drawings, and wiring diagrams, cabling layout diagrams.

    Qualifying Library, electrical symbols

    Pic 14. Electrical Symbols: Qualifying Library


  • Resistors library contains 14 electrical element symbols of resistors for drawing electronic schematics, circuit diagrams and electrical drawings.

    Resistors Library, electrical symbols

    Pic 15. Electrical Symbols: Resistors Library


  • Rotating Equipment library contains 55 electrical symbols of rotating equipment: converters, generators, motors, rotating machines, and their parts and labels. Use it to design systems with rotating electrical equipment (i.e., motors), armatures, brushes and related mechanical devices (brakes, gearing, clutches, interlocks).

    Rotating Equipment Library, electrical symbols

    Pic 16. Electrical Symbols: Rotating Equipment Library


  • Semiconductor Diodes library contains 24 electrical symbols of semiconductor diodes for drawing electronic schematics and circuit diagrams.

    Semiconductor Diodes Library, electrical symbols

    Pic 17. Electrical Symbols: Semiconductor Diodes Library


  • Semiconductors library contains 22 electrical symbols of rectifiers, diodes, charge transfer and electronic conduction devices, switches, cathodes, transistors, thyristors, and transceivers for semiconductor (SIS) design.

    Semiconductors Library, electrical symbols

    Pic 18. Electrical Symbols: Semiconductors Library


  • Stations library contains 110 electrical symbols of communications equipment, generating, transmitting and receiving stations; substations; satellites; power plants for power generation and distribution and radio relay systems.

    Stations Library, electrical symbols

    Pic 19. Electrical Symbols: Stations Library


  • Switches and Relays library contains 58 electrical symbols of electrical contacts, switches, relays, circuit breakers, selectors, connectors, disconnect devices, switching circuits, current regulators, and thermostats for electrical devices.

    Switches and Relays Library, electrical symbols

    Pic 20. Electrical Symbols: Switches and Relays Library


  • Terminals and Connectors library contains 43 electrical element symbols of terminals, connectors, plugs, polarized connectors, jacks, coaxial cables, and conductors. Use it for drawing wiring diagrams, electrical layouts, electronic schematics, and circuit diagrams.

    Terminals and Connectors Library, electrical symbols

    Pic 21. Electrical Symbols: Terminals and Connectors Library


  • Thermo library contains 14 electrical symbols of thermoelectric elements for drawing electrical layouts, electronic schematics, and circuit diagrams.

    Thermo Library, electrical symbols

    Pic 22. Electrical Symbols: Thermo Library


  • Transformers and Windings library contains 29 electrical element symbols of transformers, windings, couplers, metering devices, transductors, magnetic cores, chokes, and a variometer. Use it to design the electromechanical device schematics and electronic circuit diagrams.

    Transformers and Windings Library, electrical symbols

    Pic 23. Electrical Symbols: Transformers and Windings Library


  • Transistors library contains 30 electrical symbols of transistors drawing electronic schematics and circuit diagrams.

    Transistors Library, electrical symbols

    Pic 24. Electrical Symbols: Transistors Library


  • Transmission Paths library contains 43 electrical symbols of power transmission paths, electronic circuits, bus connectors and elbows, terminals, junctions, and concentrators. Use it to annotate electrical symbols and electrical diagrams, electronic schematics and circuit diagrams.

    Transmission Paths Library, electrical symbols

    Pic 25. Electrical Symbols: Transmission Paths Library


  • VHF UHF SHF library contains 52 electrical symbols for VHF, UHF, and SHF circuit design, including capacitance measurers, nonreciprocal devices, modulators, phase shifters, field polarization devices, and filters.

    VHF UHF SHF Library, electrical symbols

    Pic 26. Electrical Symbols: VHF UHF SHF Library


    Look at this variety of electrical diagram symbols! Any electrical diagram can be designed with their help in mere minutes!

    Electrical Diagram — 2 Bit ALU, electrical symbols

    Example 2. Electrical Diagram — 2 Bit ALU

    This sample was created in ConceptDraw PRO using the electrical symbols from the Electrical Engineering Solution and shows the electrical diagram of a 2 Bit ALU (Arithmetic Logic Unit). An experienced user spent 25 minutes creating this sample.

    Use the Electrical Engineering Solution for ConceptDraw PRO software to create your own professional looking electrical diagrams using professional electrical symbols in a quick, easy and effective way; and then successfully use them in your work activity.

    All source documents are vector graphic documents. They are available for reviewing, modifying, or converting to a variety of formats (PDF file, MS PowerPoint, MS Visio, and many other graphic formats) from the ConceptDraw STORE. The Electrical Engineering Solution is available for all ConceptDraw PRO v9.5 or later users.




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