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Commercial kitchens rely on upblast exhaust fans to remove grease and smoke from the building. Exhaust systems reduce the risk of fire and improve air quality in the building. To follow local regulations businesses must schedule routine maintenance...

In this course, you will learn the typical characteristics of commercial fire alarm systems, the differences between conventional and addressable fire alarm systems, and the name and function of the different fire alarm system components. Along the...

In this Drain Cleaning Introduction and Equipment Types course you will explore the fundamentals of using various tools and equipment that are used in drain cleaning including plungers augers water jetters and chemical cleaners. This course is...

Explains how to safely test a live HVAC contactor, including checking for 240V input/output and 24V control from the thermostat, with strong emphasis on safety practices.

Become proficient in utilizing a multimeter with our hands-on course. Learn to precisely measure voltage, current, and resistance. Grasp the significance of this tool in circuit diagnostics and safety. Whether you're a novice or a technician, this...

In this course you'll learn all about vinyl siding including tools, vinyl materials, safety requirements, and techniques used for installation. Then you'll get to install horizontal vinyl siding on the exterior wall of a house in the simulation.

Pneuma is the Greek word for wind and breath. Pneumatics is the science of using pressurized air to power mechanical movement. In this video-based course you'll learn the fundamental principles of fluid power including the combined gas law. You'll...

Apply your knowledge of Packaged Refrigeration Units (PRUs) in this course as you inspect, diagnose, and repair PRUs within a 3D simulation program. These simulations will demonstrate what you’d experience when encountering the 10 most common PRU...

In this course, you will understand the purpose of transformers, along with their use in commercial, industrial, and residential environments. You'll understand the safety challenges and guidelines involved when working with transformers. You'll also...

The video describes the dryer's idler pulley, which maintains belt tension and includes a safety switch. It explains how the pulley releases to activate the switch if the belt breaks, shutting off heating to prevent dry running.