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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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How to Bend a 4 Point Saddle in Conduit
Conduit bending and installation is an art that takes considerable practice. When it comes to bending conduit, the 4-point saddle is...
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Shall I Use 15A or 20A Receptacles on a 20A circuit per 2023 NEC 210.21(B) ?
Shall I Use 15A or 20A Receptacles on a 20A circuit per 2023 NEC 210.21(B) ?
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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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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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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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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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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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Box Fill – Equipment Grounding Conductors
In this video we discuss discusses equipment grounding conductors (EGC) for box fill applications. Knowing when to apply the 1/4 volu...