Frequently Asked Questions about Ohm’s Law is another in a series of FAQS about electricity and electronics that are oriented toward Appliance Technicians and HVAC Technicians. Frequently Asked Questions about Ohm’s Law Q. What is Ohm’s Law?A. It is an empirically (via experimentation) established law which states that voltage, current, and resistance are mathematically related […]
Below is another list in a series of Frequently Asked Questions (FAQS) about electricity and electronics that are oriented toward Appliance Technicians and HVAC Technicians. Frequently Asked Questions about Voltage, Current, and Resistance Q. What is Voltage?A. Voltage is the electromotive force or “pressure” that tends to push charge particles (such as electrons) through a […]
Below is another list in a series of Frequently Asked Questions (FAQS) about electricity and electronics that are oriented toward Appliance Technicians and HVAC Technicians. Frequently asked questions about Basic Circuits. Q. What is an electric circuit?A. It is a continuous loop of conductive material that allows current to flow from one side of a […]
If an electric range or dryer is not heating, the element may not even be getting voltage. What if the element “ohms” out? If the 240v load in an appliance is not energized, sometimes just “ohming” things out doesn’t tell you what you need to know. Please note that this guide is for qualified technicians […]
This article aims to explain the theoretical workings of single-phase induction motors in a way that individuals without an engineering background can understand. By the end of this article, readers should be able to describe the driving force behind the armature’s motion, how rotation is maintained, the reasons for needing start mechanisms, and the operational […]
This blog describes how to test components indirectly without unnecessary disassembly. You’ll save time by testing components remotely via easily accessible areas such as the console of an appliance using what we call “shared electrical points” or SEPs. In this blog, we will highlight two main advantages of using SEPs: first, the ability to remotely […]
Loose upstream connections in voltage sources can cause “voltage loss” in high current loads. This is because a voltage divider (and incidental secondary load) is created by the loose connection, which robs the primary load of available voltage. In doing this, the loose connection dissipates power (in the form of heat). Why Loose Connections are […]
This blog describes a quick way to determine if you have an incoming voltage problem that is causing appliance issues. By using the provided flowchart and a LowZ meter, you can accurately identify if you have a compromised voltage source related to L1, L2, or Neutral. I have seen many approaches to determining compromised voltage […]
This article explains the usage, describes the operational theory, and provides a through review of the Klein CL800 multimeter. You will learn how to use this meter, understand the theory behind the functions, and see how these functions compare to their claimed specifications. The theory behind each function, when noted, will be shown in bold […]
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