OCS/ TIMER TO 6 - 15V DS B C E - + C1 10 m F R1 10K R2 53.6K R3 20K L3 50uH C2 200mF C3 .22 m F R4 6.2K R6 220 Q1 MPSH11 XTA 149.89 MHz L2 0.06uH C8 .01 m F L4 50uH L5 50uH S1 T1 C7 180mF C6 27mF C5 .01 m F R5 3.3K C4 .01 m F TO 6 - 15V DS

Wiring Diagram Maker

Make wiring diagrams, wiring schematics, electrical wiring diagrams, and more

The Easy Choice for Electrical Wiring Diagrams

Easy to Use

You can drag and drop symbols and connect them with lines easily. You can drop a new shape to an existing line and SmartDraw will automatically shift everything around so you don't have to redraw connections manually. Symbols are correctly rotated to match the orientation of the line and will stay connected.

Easy to Find the Symbols You Need

You get hundreds of ready-made wiring symbols including switches, relays, and more!

Switch

Easy to Work With Other Apps

SmartDraw is easy to work with no matter what other apps you use. You can add wiring diagrams to:

  • Microsoft Office®
    • Word®
    • PowerPoint®
    • Excel®
  • Microsoft Teams®
  • Google Workspace
    • Google Docs
    • Google Sheets
  • Atlassian apps
    • Confluence
    • Jira

Easy to Save to Your Existing Storage Solution

SmartDraw works hand in glove with most file storage systems. You can save your wiring diagrams directly to:

  • SharePoint®
  • OneDrive®
  • Google Drive
  • Dropbox®
  • Box®

There is no need to create a parallel set of common folders and permissions, SmartDraw can just save files directly into your existing set up.

Easy to Share

Share your wiring diagram with anyone, even if they don't own a copy of SmartDraw, with a link. You can also easily export any diagram as a PDF or common image formats like PNG or SVG.

Easy to Share

Easy to Get Help

Have a question? Chat or email us. SmartDraw support is in-house and free!

Easy to Get Help

Easy Collaboration

Your entire team can share in the creation of any wiring diagram when necessary. Just send your team a link and you can work together in real time or leave comments and feedback as appropriate. It's easy to remain on the same page, when SmartDraw works how you work. You can easily pick up the discussion where you already communicate with your team including Microsoft Teams®, Slack and Confluence.

Colaborate on Wiring Diagrams

Our Wiring Diagram Software Features

  • Wiring diagram templates
  • Electric wiring symbols
  • IEEE and NECA symbols
  • Import Visio files & stencils
  • CAD tools
  • Line hops
  • Ability to add layers
  • Import PDF
  • Real-time collaboration
  • Ability to add comments
  • Version history
  • Works with the tools you use
  • Export as PDF, PNG, or SVG
  • Works with 3rd party storage providers

Wiring Diagram Examples

Check out wiring diagram templates and examples to help you get started.

How to Draw a Wiring Diagram

Step 1

Start with a Wiring Diagram Template

Start with a wiring diagram template that you can find in the Engineering category under New Document on your Dashboard.

Step 2

Add Your Power Source

Place the power source in the top left of your wiring diagram and draw your circuits from left to right and top to bottom towards the ground.

Step 3

Draw Wiring

Draw the wiring using the Line tool.

Step 4

Add Components

Add components like resistors, capacitors, switches, and more.

Step 5

Label Symbols

Add labels to make your wiring diagram easier to read.

Step 6

Collaborate with Others

Invite team members to give you feedback and work on your wiring diagram in real-time. Make notes, design and troubleshoot as a group. SmartDraw is so easy to use, you can make changes in real-time.

Step 7

Print or Share Your Wiring Diagram

Once your wiring diagram is complete you can insert it directly to any Microsoft Office app like Microsoft Word® or PowerPoint®, or add it to Google Docs or Google Slides.

SmartDraw also has apps to integrate with Atlassian's Confluence and Jira. You can share your schematic diagram in Microsoft Teams. You can also easily export your schematic drawing as a PDF or print it.

Types of Wiring Diagrams

Most professionals consider a wiring diagram a specific type of electrical diagram that visualizes the physical layout of an electrical system or circuit. A wiring diagram is often used to trace current when troubleshooting. However, in every day use, wiring diagrams are sometimes used interchangably to mean many different forms of electrical diagrams and circuit diagrams. Below, we offer a quick overview of some of the different types of electrical diagrams that some might call wiring diagrams:

  • Block diagram - A high-level overview used to plan out an electrical system.
  • Schematic diagram - A diagram focused on the functions of a circuit using standardized symbols.
  • Pictorial diagram - A basic diagram that uses realistic images to represent the components in a system.
  • Ladder diagram - A diagram that visualizes the relationship between programming and wiring for a device.
Schematic vs pictoral diagram

Basic Wiring Diagram Symbols

A wiring diagram is made up of lines and a variety of components that represent important functions in the circuit.

  • Lines - Show the flow of current or electricity.
  • Connections - A dot at the intersection of two lines indicates the wires are connected. Lines crossing without a dot or using a "line hop" are not connected.
  • Components - Components are abstract representations of real-world objects. Resistors are zigzag lines, capacitors are parallel lines that meet in the middle, inductors and transformers are coils, and switches are a break in the line with an angle away from the main wire like an actual light switch.
  • Ground - A symbol pointing straight down with 3 lines decreasing in size like an upside down pyramid represent a ground connection.
Wiring diagram symbols

How to Read a Wiring Diagram

A typical wiring diagram will start with a power source and end with a ground and you can read it like a book, from left to right and top to bottom. In general, you'll want to follow the the flow of electricity and trace it through switches, relays, and other components.

To understand what each component does, you may need to look up common wiring symbols so you know what a fuse, capacitor, and switch look like.

Some wiring diagrams may use color-coding to help differentiate between different types of wires:

  • Black - Hot wire
  • Red - Secondary wire with multi-way switching
  • White/Gray - Neutral wire
  • Green - Ground wire
Wiring diagram example

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AT&T logo
Cisco logo
Honeywell logo
Intel logo
Johnson and Johnson logo
Mariott logo
Abbott Labs logo
Motorola logo
Northrop Grumman logo
Oracle logo
Pfizer logo
Thermo Fisher Scientific logo
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