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Electrical Symbols — Electrical Circuits

A circuit diagram or wiring diagram uses symbols to represent parts of a circuit. Electrical and electronic circuits can be complicated. Making a drawing of the connections to all the component parts in the circuit's load makes it easier to understand how circuit components are connected. Drawings for electronic circuits are called "circuit diagrams". Drawings for electrical circuits are called "wiring diagrams".

Electrical Symbols - Electrical Circuits

Pic. 1. Electrical Circuits Library

ConceptDraw DIAGRAM is a powerful software for creating professional looking electrical diagram quick and easy. For this purpose you can use the Electrical Engineering solution from the "Engineering" area of ConceptDraw Solution Park.

Electrical Engineering Solution for ConceptDraw DIAGRAM provides the stencils libraries of ready-to-use predesigned 926 vector symbols, templates and samples that make your electrical drawing quick, easy and effective.

26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Electrical Symbols

Pic. 2. Electrical Engineering symbols

Electrical diagram software will assist you in drawing your electrical diagrams with minimal effort and makes it very easy for beginners. Electrical symbols and smart connectors help present your electrical drawings, electrical schematic, wiring diagrams and blue prints.

Electrical Symbols — Electrical Circuits *

Pic. 3. Electrical Symbols — Electrical Circuits

Most of the electrical symbols can be changed in their appearance, styles and colors according to users' requirements. Electrical symbols are used to represent various electrical and electronic devices in a schematic diagram of an electrical or electronic circuit.

The following table lists some electrical circuits electrical symbols in our electrical diagram software.

Symbol Meaning
Electrical Symbols — Electrical Circuits
Chassis 2Chassis 2
Variable capacitorVariable capacitor
Capacitor 2Capacitor 2
Variable capacitor 2Variable capacitor 2
Antenna 2Antenna 2
Circuit breakerCircuit breaker
Fuse 2Fuse 2
Alarm fuseAlarm fuse
Alarm fuse 2Alarm fuse 2
Circular generic componentCircular generic component
Rectangular generic componentRectangular generic component
Capacitive transducerCapacitive transducer
Non-capacitive transducerNon-capacitive transducer
Recording pickup headRecording pickup head
Reproducing pickup headReproducing pickup head
Positive pulsePositive pulse
Negative pulseNegative pulse
Alternating pulseAlternating pulse
Saw toothSaw tooth
Positive step functionPositive step function
Negative step functionNegative step function
Explosive squibExplosive squib
Sensing link squibSensing link squib
Squib ignitorSquib ignitor
Unspecified materialUnspecified material
Solid materialSolid material
Semiconducting materialSemiconducting material
Insulating materialInsulating material
Surge protectorSurge protector
Multigap surge protectorMultigap surge protector
Valve surge protectorValve surge protector
Electrolytic surge protectorElectrolytic surge protector
Carbon block surge protectorCarbon block surge protector
Protective gap surge protectorProtective gap surge protector
Sphere gap surge protectorSphere gap surge protector
Horn gap surge protectorHorn gap surge protector
Igniter plugIgniter plug
Circuit breakerCircuit breaker

A schematic is a diagram of an electrical circuit. A schematic doesn't look like a life like a circuit, but it does show the essential connections. Schematics use symbols to represent components in the circuit. We use conventions in a schematic, we use them to represent the way electricity flows. The common convention we use is from the positive to the negative terminal. The realistic way electricity is from the negative to the positive terminal.

How to Create an Schematic of Circuit Using Electrical Circuits Library

  • Open ConceptDraw DIAGRAM new document page.
  • Select libraries from Electrical Engineering section.

    Libraries from Electrical Engineering section

  • Electrical circuits library contains objects, identified by a blue tile in the library pane. Such objects can be edited by using the Action button menu. To open the menu select an object and click the Action Button button in the upper right corner of the object. Action button menu
  • Select the Smart Connector tool Smart Connector. To connect elements using this tool, drag the connector from one connect dot to another.You can use Layers to place connections on different layers.
  • Result: Schematic of Circuit.
    Electrical Circuits Diagram


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Rhineland-Palatinate is a southwest German state bordered by France, Belgium and Luxembourg. The capital city is Mainz. Despite the fact that the maps surround us everywhere in our life, usually the process of their drawing is sufficienly complex and labor-intensive. But now, thanks to the ConceptDraw DIAGRAM diagramming and vector drawing software extended with Germany Map Solution from the Maps Area of ConceptDraw Solution Park, we have the possibility to make easier this process. Design fast and easy your own pictorial maps of Germany, map of Germany with cities, and thematic Germany maps in ConceptDraw DIAGRAM!Map of Germany — Rhineland-Palatinate State *
Picture: Map of Germany — Rhineland-Palatinate State
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The ER diagram is constructed from the specific ERD graphic elements. There are used 2 types of ERD notations: Chen and Crow's Foot. A complete set of work flow shapes, notation & symbols for ERD, entity relationship stencils, included in Entity-Relationship Diagram (ERD) solution for ConceptDraw DIAGRAM software, makes drawing diagrams based on ERD notation as smooth as possible.Notation & Symbols for ERD *
Picture: Notation & Symbols for ERD
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Mini Hotel Floor Plan. Floor Plan Examples →

But it never matters which hotel plan you want to illustrate in a way of a floor plan, you can always do it with ConceptDraw DIAGRAM especially it can be simple to do having the “Floor Plans” solution, which can be downloaded from the Building Plans area of ConceptDraw Solution Park.Mini Hotel Floor Plan
Picture: Mini Hotel Floor Plan. Floor Plan Examples
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Piping and Instrumentation Diagram Software →

Plumbing systems are very important for any manufacture, and it's a good practice to have a clear scheme of that system. To create one, you should use a piping and instrumentation diagram software with a possibility to save files in vector format, so you can print them without quality loss. ConceptDraw DIAGRAM is a great tool for creating diagrams, and you don't need to be very experienced to use it efficiently. This example of Piping and Instrumentation Diagram (P&ID) depicts a scheme that illustrates the physical sequence and functional communications of piping, instrumentation and plumbing equipment components of a typical food trailer. Seeking to avoid health troubles in a mobile food service , the plumbing demands for food trailers must be considered accurately. This P&ID shows all of piping including a basic set of piping system components along with multiple sinks, extra water heaters and other elements to meet health guidelines.Piping and Instrumentation Diagram Software
Picture: Piping and Instrumentation Diagram Software
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Picture: Cisco Switches and Hubs. Cisco icons, shapes, stencils and symbols
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Picture: How to Create Cisco Network Diagram
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Picture: Flow chart Example. Warehouse Flowchart
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Picture: How To Create Floor Plans
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Picture: Workflow Diagram
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