Umair Gaines
AutoCAD Electrical is a powerful tool for electrical design, offering a range of features to boost productivity and simplify projects. One notable feature is its extensive library of electrical symbols, which can be easily accessed and utilised within the program. With over 65,000 intelligent electrical symbols available, users can quickly insert and manipulate symbols to create detailed electrical schematics. However, opinions vary on the quality of the default symbol library, with some users opting to create their own custom libraries or utilise third-party alternatives. In this article, we will explore the symbol capabilities of AutoCAD Electrical, discussing the process of loading and using symbols, as well as addressing some of the limitations and workarounds employed by experienced users.
| Characteristics | Values |
|---|---|
| Pre-loaded symbols | Yes, AutoCAD Electrical comes with pre-loaded symbols, including the JIC and older IEC symbol libraries for legacy support. |
| Symbol libraries | The Electrical toolset provides access to a library of 65,000+ intelligent electrical symbols. |
| Symbol insertion | Symbols can be inserted by selecting an electrical category from a pull-down menu, choosing the desired symbol from the dialog box, and rotating it to the desired position. |
| Symbol compatibility | Symbols are drawn to 1:1 scale on layer zero with "bylayer" attributes and take on the characteristics of the current layer settings. |
| Customization | Users can create custom symbol libraries and modify existing ones. |
| Symbol builder | AutoCAD Electrical offers a Symbol Builder tool to add attributes to symbols. |
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What You'll Learn
- AutoCAD Electrical has a library of 65,000+ intelligent electrical symbols
- The symbols are easily accessible from a pull-down menu
- You can use the Symbol Builder or Black Box Builder to load pre-drawn symbols
- The JIC and IEC symbol libraries are provided for legacy support
- The symbols are customisable and can be rotated to the desired position
AutoCAD Electrical has a library of 65,000+ intelligent electrical symbols
The Autodesk AutoCAD Electrical toolset includes a library of over 65,000 intelligent electrical symbols. These symbols are easily accessible from a top pull-down menu in the AutoCAD interface. The library includes symbols for components like fuses, circuit breakers, and disconnect switches, as well as symbols for control relays, pilot lights, pushbuttons, selector switches, time relays, and enclosures.
The electrical symbols in the AutoCAD library are drawn to a 1:1 scale on layer zero with "bylayer" attributes. This means that once inserted, the symbols take on the characteristics of the current layer settings. The symbols can be inserted by selecting an electrical category from the pull-down menu, choosing the desired symbol from the dialog box, and then rotating and positioning it in the drawing.
In addition to the extensive symbol library, the AutoCAD Electrical toolset offers several other features to simplify electrical design. The Circuit Builder feature, for example, provides pre-populated data for building and annotating motor control and power feed circuits. The toolset also includes a Symbol Builder attribute editor for inserting and modifying symbol graphics and attributes.
While AutoCAD Electrical offers a vast library of symbols, some users have noted that the default symbol library includes archaic standards that can be challenging to read when printed. However, it is possible to completely re-do the symbol library to better suit specific needs, although this can be time-consuming. Overall, the large collection of intelligent electrical symbols in the AutoCAD Electrical toolset can be a powerful resource for electrical design and documentation.
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The symbols are easily accessible from a pull-down menu
AutoCAD Electrical offers a wide range of symbols that are easily accessible from a pull-down menu. The pull-down menu is located in the top menu bar and is labelled "Electrical Library". This library contains a vast collection of intelligent electrical symbols, with over 65,000 symbols available. The symbols are designed to be user-friendly, colourful, and customizable, making them accessible even to those new to CAD.
Once you have located the "Electrical Library" in the pull-down menu, a dialog box will appear, presenting you with a comprehensive list of available symbols. Each symbol is accompanied by a description, making it easy to select the one you need. Simply choose the symbol you require and click "OK". The symbol will then be inserted into your AutoCAD drawing, adopting the characteristics of your current layer settings. You can then rotate the symbol to your desired position.
The electrical symbols available cover a diverse range of categories, ensuring that you can find a symbol that suits your specific needs. Whether you require symbols for a fuse, circuit breaker, or disconnect switch, AutoCAD Electrical has you covered. Additionally, the software supports the latest electrical standards, including the JIC and older IEC symbol libraries for legacy projects.
While AutoCAD Electrical offers a vast array of pre-loaded symbols, you also have the option to load additional symbols if needed. These custom symbols can be saved in specific locations, such as the Schematic Libraries and Footprint Libraries, ensuring that AutoCAD recognizes and runs them smoothly with your program. With its extensive symbol library and customization options, AutoCAD Electrical provides a powerful tool for creating detailed and precise electrical designs.
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You can use the Symbol Builder or Black Box Builder to load pre-drawn symbols
AutoCAD Electrical is a powerful tool that allows users to connect and tie together various symbols representing electrical components like relays, creating parent-child relationships. It offers a Symbol Builder and a Black Box Builder to load pre-drawn symbols.
The Symbol Builder can be started from the ribbon or toolbar and is useful for creating parent/child symbols. For instance, a relay has a coil and associated contacts shown on multiple pages of your schematic package. With the Symbol Builder, you can tie these together, saving you time and effort in the design and build/debug phases.
The Black Box Builder is another option for loading pre-drawn symbols. It is the preferred choice for some due to its simplicity. To start the Black Box Builder, type "AESYMBUILD" or "WD_SYM_BUILD" on the command line with the basic block opened as a standard DWG.
Both tools offer unique advantages, and the choice between them depends on the user's preference and familiarity with the software. It is worth noting that some users opt to have both options on their ribbon for convenience and flexibility.
Additionally, AutoCAD Electrical Blocks are easily accessible from a top pull-down menu, and they are compatible with both AutoCAD and AutoCAD LT. Once loaded, users can select the desired symbol from the available options, rotate it to the desired position, and insert it into their drawing.
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The JIC and IEC symbol libraries are provided for legacy support
Autodesk's AutoCAD Electrical software provides a comprehensive suite of tools for electrical design, including a large library of electrical symbols. The JIC and IEC symbol libraries are provided for legacy support, allowing users to work on projects requiring these older standards. This feature ensures that users can seamlessly transition between different projects with varying requirements and symbol libraries.
The JIC and IEC symbol libraries in AutoCAD Electrical are designed to be interchangeable. Users can switch between these libraries based on their project needs. However, it is important to note that the symbols in both libraries share the same names. As a result, when inserting a symbol, the software will use the symbol inserted first, regardless of the selected library. This behaviour is due to an old AutoCAD rule that prioritises speed and avoids reading from the hard drive. To overcome this, users can purge unused blocks from their drawings.
To configure projects for the JIC or IEC standard, users can modify the project settings. This involves right-clicking on the project name in the Project Manager, selecting Properties, navigating to the Project Settings tab, and then expanding the Schematic Libraries section. Here, users can add or remove library folders as needed. For example, removing the JIC folder and adding the IEC library folder for IEC standard projects. Additionally, the Schematic Icon Menu File section allows users to remove and add specific menu files, such as switching from ACE_JIC_MENU.DAT to ACE_IEC_MENU.DAT for IEC projects.
The Component TAG Options section is another crucial aspect of configuring projects for the JIC or IEC standard. For IEC tagging, the Combined Installation/Location tag mode option should be checked, while for JIC tagging, it should be unchecked. These settings can be applied to specific drawings within a project, providing flexibility in project configuration. Furthermore, the Library Swap utility allows users to switch symbols between libraries, ensuring that the proper scale is selected for the drawing environment. For instance, JIC symbols must be scaled up when used in IEC drawings, and IEC symbols must be scaled down for JIC drawings.
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The symbols are customisable and can be rotated to the desired position
AutoCAD Electrical comes with a library of over 65,000 intelligent electrical symbols that can be used in projects. These symbols are easily accessible from a top pull-down menu in the program. The symbols are customisable and can be rotated to the desired position.
To load pre-drawn symbols into the program, users can access the Project Properties and look at the Project Settings tab to find the locations of the Schematic Libraries and Footprint Libraries. It is recommended that users create a new directory for any custom blocks they add rather than using the standard library locations. For example, a user could create a directory called "CUSTOM BLOCKS" for custom schematic symbols and "LAYOUT" for footprint blocks.
The AutoCAD Electrical toolset also provides the JIC and older IEC symbol libraries for legacy support. The JIC standard is no longer updated and has been incorporated into the NFPA 79 standard, which states that the library symbols are in accordance with the IEEE 315/315A standard.
Additionally, there are third-party symbol libraries available for AutoCAD, such as the Via Schematic package, which was bought by Autodesk and incorporated into AutoCAD Electrical.
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Frequently asked questions
Yes, AutoCAD Electrical has pre-loaded symbols that can be accessed from a top pull-down menu.
To load pre-drawn symbols, you can place the blocks in the Schematic Libraries and Footprint Libraries. It is recommended that you add another directory for any blocks you add instead of using the standard library locations.
Some alternatives to AutoCAD Electrical are AutoCAD LT, Bricscad, ZWcad, and SkyCAD.
The AutoCAD Electrical toolset provides access to a library of 65,000+ intelligent electrical symbols, automates the numbering of wires and generation of component tags, and generates and updates multiple customized reports automatically.
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