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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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2023 NEC changes: GFCI protection (210.8)
This video covers the 2023 NEC changes in 210.8 for GFCI protection. *Note that 210.8(B)(4) should read “food SERVING and bever...
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Article 334 of the NEC (NM Cable) live stream
This is a live stream covering Article 334 of the National Electrical Code. Article 334 covers nonmetallic sheathed cable (NM Cable),...
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IBEW Electrical Apprenticeship Math Aptitude Test Prep – Top 12 Skills You Need to Pass
If you are applying for an apprenticeship through IBEW then you need to pass the aptitude test. Typically students find the math test...
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Delta and Wye – Volts, Amps, & VA
Explanation of Voltage, Current, and Power Relationships in Delta and Wye Transformer Configurations.
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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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Noncoincident Loads 220.60 (Part 2)
Join Paul Abernathy as he talks about Noncoincident Loads the application of 220.60 in 2023 and how it is changing for the 2026 NEC a...
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Noncoincident Loads 220.60 (Part 1)
Join Paul Abernathy as he talks about Noncoincident Loads and the application of 220.60 in the 2023 NEC. This is Part 1 of 2 Parts.
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PV Systems
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2020 NEC 690.12 Rapid Shutdown with UL 3741
Code Corner is an expert-led review and interpretation of codes and standards for industry professionals—10 minutes at a time. In thi...