What does steady state mean? A system is said to be in steady state when its outputs no longer change over time, even though the system is still active. For example, in an electrical circuit, once all voltages and currents stabilize after startup or input changes, the system is considered to be in steady state. […]
In the field, it’s not uncommon to see neutral and ground bonded together at the terminal block of a 240V appliance—especially on ranges and dryers. Sometimes it’s done out of habit, other times from misunderstanding the wiring code. But this small connection can have major implications. In this article, we’ll walk through why neutral and […]
Introduction In this article, I show the very basics of multimeter usage using both a Fluke and a Klein multimeter. You’ll learn to effectively use the multimeter to test AC voltage, DC voltage, resistance, AC and DC current, as well as accurately measure temperature. At the end of this article, I’ll give you the resources […]
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How do you test for an open Neutral in 120V circuits or outlets? In this video, I show you how how to test for an open or loose neutral in 120v outlets with a regular Multimeter, a LoZ meter, and a Voltage Pen. Yes, it is possible to test for such an open or loose […]
How do you read an electric dryer schematic? In this video, voltages maps overlaid on a schematic for a common Whirlpool made electric dryer. What voltages to expect for different operating scenarios and failures. You will be walked through all relevant functional states of this dryer, as well as its common failures. Within these walkthroughs, […]
The Tech Circuit Youtube channel to date, had nearly 100 videos on practical electrical theory for Electronics Technicians, Appliance Technicans, HVAC Techncians, Hobbyists, and any body that has an interest or need to learn more about practical electrical theory, diagnostics, and associated concepts. In this blog, we’ll highlight some of the most popular videos that currently foster thousands of views per month.
Electrical issues can sometimes be misleading, with outlets appearing to function properly yet failing under load. In this blog, we’ll walk through a real-life example of how to diagnose and troubleshoot a 120v electrical outlet with a loose or floating neutral connection. By understanding the tools and methods involved, you can help determine whether the […]
For appliance technicians seeking to deepen their knowledge and troubleshoot effectively, DryerNotHeating.com is an invaluable resource. This comprehensive site is dedicated to educating professionals about the many reasons why dryers stop heating, providing a wealth of technical insights into common and uncommon issues alike. Technicians can explore detailed guides on diagnosing faulty components such as […]
Disclaimer: THIS BLOG IS INTENDED FOR APPLIANCE TECHNICIANS ONLY. ALWAYS USE APPROPRIATE SAFETY PRECAUTIONS WHEN WORKING WITH ELECTRICITY. THIS BLOG IS FOR INFORMATIONAL PURPOSES ONLY. IF YOU CHOOSE TO UTILIZE THE CONCEPTS IN THIS BLOG, YOU DO SO AT YOUR OWN RISK. THE AUTHER ASSUMES NO RESPONSIBILITY OR LIABLIITY FOR ANY ERRORS OR OMISSIONS IN […]