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Complex Symbols

Wiring Diagrams: Chapter 3 In this module, we will introduce you to some of the symbols you might see a on complex wiring diagram. Skip...

SkillCat Team

Basic Symbols

Wiring Diagrams: Chapter 2 In this module, we will introduce you to some of the basic symbols you will find on a wiring diagram. Skip to...

SkillCat Team

Ladder Diagrams

Wiring Diagrams: Chapter 5 In this module, we will introduce you to the ladder diagram. We will cover: The diagram, The legend, and How...

SkillCat Team

Schematic Diagrams

Wiring Diagrams: Chapter 4 In this module, we will introduce you to the schematic diagram. We will cover: The diagram, The notes, The...

SkillCat Team

Types of Diagrams

Wiring Diagrams: Chapter 1 In this module, we will give you an overview of wiring diagrams. We will cover: - What a wiring diagram is, -...

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SkillCat Team

Refrigerant Recovery for Small HVAC Equipment

EPA Type 1 Chapter 2 Get your EPA 608 Certification for FREE Refrigerant Properties In this module, we will take a look at how to read...

150

SkillCat Team

EPA Regulations for HVAC Technicians - Part 1

EPA Type 1 Chapter 1 Get your EPA 608 Certification for FREE Introduction: Type 1 In this module, we will take a look at how the EPA...

280

SkillCat Team

EPA Regulations for HVAC Technicians - Part 2

EPA Type 1 Chapter 1 Get your EPA 608 Certification for FREE SNAP Substitutes In this module, we will discuss how the SNAP program...

100

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Most Frequently Asked HVAC Questions

Based on responses received from visitors (you) on our website, we have compiled a list of commonly asked questions and doubts about our...

160

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Multimeter Safety

Using a Multimeter: Chapter 9 In this module, we will teach you about multimeter safety, CAT ratings, and arc flashes. Skip to quiz! 1....

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State and Pressure Changes

Refrigeration Theory: Chapter 4 In this module, we show how refrigerant state and pressure change through each piece of refrigeration...

SkillCat Team

Refrigeration Cycle Components

Refrigeration Theory: Chapter 3 In this module, we will go over the individual components of the refrigeration cycle. We will also...

SkillCat Team

Simplified Refrigeration Cycle

Refrigeration Theory: Chapter 2 In this module, we will go over the refrigeration cycle and how it works to provide cooling. We will use...

170

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Review: Phase Changes

Refrigeration Theory: Chapter 1 In this module, we will brush up on the physical concepts that are the foundation of how refrigeration...

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Measuring Temperature With Multimeter

Using a Multimeter: Chapter 8 In this module, you will learn how to use a multimeter to measure temperature. Skip to quiz! 1. Settings...

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Measuring Voltage With Multimeter

Using a Multimeter: Chapter 7 In this module, we will teach you how to use a multimeter to measure AC and DC voltage. Skip to quiz! 1....

SkillCat Team

Measuring Continuity With Multimeter

Using a Multimeter: Chapter 6 In this module, we will teach you how to use your multimeter to measure continuity. Skip to quiz! 1....

SkillCat Team

Measuring Capacitance With Multimeter

Using a Multimeter: Chapter 5 In this module, we will teach you how to use a multimeter to measure capacitance. Skip to quiz! 1. Settings...

SkillCat Team

Measuring Resistance With Multimeter

Using a Multimeter: Chapter 4 In this module, we will teach you how to use your multimeter to measure resistance. Skip to quiz! 1....

SkillCat Team

Measuring Current With Multimeter

Using a Multimeter: Chapter 3 In this module, we will teach you how to use your multimeter to measure current. We will cover the process...

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