There are 25 items in this page
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Transformer Series Part 4 – 10′ Secondary Conductors Rules
Join Paul Abernathy as he continues the transformer series and talks about the rare (C)(1) secondary conductor rule as well as the 10...
46:40
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Transformer Series Part 3 – Conductor Sizing & 240.21(B)(3) Tap Rules
Join Paul Abernathy as he takes you through part 3 of the transformer series on how to size primary and secondary conductors to trans...
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Transformer Series Part 2 – Calculating the Primary and Secondary Overcurrent Protection
Introduction to Transformers and the National Electrical Code® in 2017 NEC. This is a multi-part series on understanding transformers...
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Transformer Series Part 1- Calculating Primary & Secondary Current Ratings
Introduction to Transformers and the National Electrical Code® based on the 2017 NEC. This is a multi-part series on understanding tr...
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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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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....
19:21
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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...