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National Electrical Code
ID 405878870 © Yuri Arcurs | Dreamstime.com
National Electrical Code
Top 25 Changes to the 2026 National Electrical Code
Breaking down the key revisions and updates every electrical professional needs to know for this Code cycle
Nov. 18, 2025
National Electrical Code
2026 NEC Changes: Damaged Wiring/Conductor Replacements, 10A Branch Circuits, and Dwelling General Lighting Loads
The 2026 NEC introduces specific guidelines for replacing damaged conductors, restricts 10A branch circuits to certain lighting applications, and adjusts lighting load calculations...
July 9, 2026
What's Wrong Here?
What’s Wrong Here? Hint: Improperly Supported Outlet Box
Think you know how this installation violates the NEC?
July 9, 2026
ID 178801246 © Mohamad Faizal Ramli | Dreamstime.com
Q&A
Code Q&A: Use of IMC
Test your knowledge of the NEC with this challenging question.
July 9, 2026
ID 229974688 © Chernetskaya | Dreamstime.com
Maintenance, Repair & Operations
Electrical Troubleshooting Quiz — Identifying Power Problems
How would you troubleshoot this hypothetical situation?
July 7, 2026
ID 15964799 © Olivier Le Queinec | Dreamstime.com
National Electrical Code
NEC General Requirements for Branch-Circuit, Feeder, and Service Load Calculations
Mark Lamendola breaks down Article 120 and the requirements for branch-circuit, feeder, and service load calculations.
July 7, 2026
ID 1429618 © Yakupyucel | Dreamstime.com
Code Quiz of the Week
Code Quiz of the Week: No. 550
Weekly Quiz on the 2026 National Electrical Code
July 6, 2026
ID 96245048 © Carmenmurillo | Dreamstime.com
National Electrical Code
Code Conversations Podcast — 2026 NEC Changes Related to Manufacturers’ Instructions
Code Conversations
Ellen and Russ discuss 2026 NEC changes related to manufacturers’ instructions.
July 6, 2026
Members Only
Moving Violations Video No. 362: Several Key Violations
This installation doesn’t have the clips required by Sec. 358.30.
July 2, 2026
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