There are 189 items in this page
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Derating Demystified 3.0 – Part 2 Terminal Limitations
This video is Part 2 of a multi-part series on conductor adjustments and corrections using the 2023 National Electrical Code. In this...
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Derating Demystified 3.0 – Part 1 Conductors
This video is Part 1 of a multi-part series on conductor adjustments and corrections using the 2023 National Electrical Code.
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The Neutral Conductor and What Happens When it Breaks
What is a neutral conductor? What does it do? What happens if there is a fault and it breaks/opens? This video will cover all those q...
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Unbalanced Power in a 3-Phase Wye Circuit
This video discusses a 120/240V Three-Phase Four-Wire Delta System. Although uncommon you may still find these systems in existence....
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Delta 3-Phase 4-Wire System (120/240V)
This video discusses a 120/240V Three-Phase Four-Wire Delta System. Although uncommon you may still find these systems in existence....
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All about Autotransformers
This video covers everything you need to know about Autotransformers. We cover some basic configurations, how they operate, calculati...
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Current Transformers – Basics and Calculations
This video covers the basics of a Current Transformer and some calculations you would use for revenue metering or simply taking curre...
11:29
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Mayfield Renewables Code Corner – 2023 NEC Article 100 & 705 – Microgrids
In this edition of Code Corner, Ryan Mayfield focuses on the key Code sections for microgrid systems; NEC 2023: Article 100 and Artic...
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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...