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2023 NEC | Water Heater Branch Circuit Calculation
Watch as Paul Abernathy explains how to calculate the size of a branch circuit to hot water heaters in the 2023 National Electrical C...
Neutral (Grounded) Conductor and the NEC | Part 2
Do you want to learn more about the neutral (grounded) conductor and how it plays a role in the National Electrical Code? Well. this...
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.
2023 NEC 705.30(F) and 240.21(C) Overcurrent Protection
Code Corner is an expert-led review and interpretation of codes and standards for industry professionals—10 minutes at a time. In thi...
How to Measure Current in Solar PV Systems
We’re developing an Electrical Testing Standards Guide with Megger, with written chapters (and videos) on topics like measuring...
NEC 220.86 Optional Method School Calculation
Welcome to our in-depth tutorial on how to perform service and load calculations for a school using the optional method as outlined i...
#1 Hot Tub Installation Code Violations | NEC 2023 Critique
Dive into our detailed critique of a popular video that discusses code violations associated with hot tub installations. Using the 20...
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...
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...






