There are 151 items in this page
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Mayfield Renewables Code Corner: 2020 NEC 705.11(C) and (D) Supply-Side Connections
In this edition of Code Corner, Ryan Mayfield covers 2020 NEC supply-side connection requirements as they relate to service-conductor...
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Mayfield Renewables Code Corner: 2020 NEC 705.12(B)(3)(1) and (2)
In this edition of Code Corner, Ryan Mayfield covers 2020 NEC load-side connection requirements as they relate to breaker and bus siz...
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Mayfield Renewables Code Corner: 2020 NEC 705.12(B)(3)(3) and (4)
n this edition of Code Corner, Ryan Mayfield covers 2020 NEC load-side source connection requirements as they relate to bus and condu...
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Derating Demystified 2.0
In this video we discuss debating conductors and how to calculate ampacity of conductors. We discuss terminals and ratings of conduct...
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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...
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Main Bonding Jumpers and System Bonding Jumpers
in this video, we discuss Main Bonding Jumpers and System Bonding Jumpers and how they are very similar but are located in different...
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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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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) ?