There are 18 items in this page
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Why Transformers Use kVA Not kW
Why do transformers use kVA and not kW, find out why here. Why transformer rating in kVA why transformer not rated in kW.
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How to Test for Resistance? What is Continuity?
Most electricians know how to use our meters to troubleshoot power issues by finding voltage and amperage. But what about using them...
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What is a contactor and how does it work?
Contactors are heavy-duty electromagnetic switches that are normally used in controlling large lighting loads and motors. They operat...
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Do Breakers Put Out Power? Common Misconceptions
Have you ever wondered HOW breakers actually put out power? The interesting fact is that they don’t actually put out power and this i...
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Let’s Talk About COMBINATION Circuits: Voltage, Current, Resistance, and Power
We have talked about series and parallel circuits. But have you ever wondered how a series circuit works or what it even is? In today...
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Let’s Talk About SERIES Circuits: Voltage, Current, Resistance, and Power
When it comes to confusing terms of the trade, series circuits are definitely among them. Many commercial electricians and wiremen mi...
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Let’s Talk About PARALLEL Circuits: Voltage, Current, Resistance, and Power
Discovering the difference between Series Circuits, Parallel Circuits, and Combination Series-Parallel Circuits can be confusing for...
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Understanding Blueprints: Electrical Symbols Explained
When we are starting to learn to read blueprints (and even after we know how really!), learning what all the symbols stand for can be...
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Blueprints Deciphered: How to Read Commercial Plans (For Electricians)
If it weren’t for drawings, most of us in the construction industry wouldn’t have as much of a grasp on exactly what we were to build...
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Blueprints Deciphered: How to Read Residential Plans (For Electricians)
Most of us in the industry know that in order for us to build something, we must have blueprints to understand exactly WHAT is needed...
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Solar Photovoltaic (PV) Systems, Grounding Electrode System, NEC 2020 – [690.47], (9min:30sec)
How do you properly ground a building’s solar photovoltaic (PV) system? It’s not as difficult as you might think. Take a moment to re...
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2023 240.24 Location (of Overcurrent Devices) in/on the Premises
Overcurrent devices are not allowed in bathrooms, and opening cabinets with a tool is now permitted(!).
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Hazardous Classified Locations, NEC 2020 – [500.5]
Hazardous Classified Locations, NEC 2020 – [500.5]
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Marina Ground Fault Protection, NEC 2020 – [555.35]
Marina Ground Fault Protection, NEC 2020 – [555.35]
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100 days 2023 of 2023 NEC Changes: Article 100 Scope
All 800+ definitions are now in Article 100. This video tells you why, and more importantly, how they apply in the NEC.