Online Electrical Training:

Wiring Diagram Course

Learn basic wiring diagrams

Animations for quick learning

Get a SkillCat certificate of competency

How does it work?

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Take 2-hour course online


Print SkillCat certificate

Course overview

Types of Diagrams

The best place to learn about different types of circuit diagrams.

Circuit Wiring Symbols

Animations introduce students

to basic and complex circuit symbols.

Circuit Wiring Diagrams

Learn about specific types of wiring diagrams such as schematic and ladder.

Earn a certificate from SkillCat

Pass our simulated skills assessment and get a SkillCat certificate to prove your skills. Download online immediately after you pass.

Easy to learn course material

Get hands-on practice with a gamified, interactive simulation on every refrigeration concept.

Gain skills employers care about

We've worked with hundreds of companies to build this course. Get trade school skills employers look for when hiring!

Frequently asked questions

Will you help me get hired after the course?

Once you complete the online HVAC training, you will have the option to join our talent network. We have partnered with leading HVAC companies, and they are all hiring right now! Companies will look for new hands from this talent pool since you have proven your ability through training simulations and testing.

How do the simulations work?

We developed the HVAC training simulations based on real-world scenarios that you will encounter as an HVAC technician. These simulations allow us to test you on the information you just learned, and they teach you how to apply the knowledge to practical tasks.

What is covered in the course?

The course covers the following topics:

  • Types of wiring diagrams
  • Simple circuit symbols
  • Complex circuit symbols
  • Schematic wiring diagrams
  • Ladder wiring diagrams