Electrical Engineering Blog

The NEC 2026 cycle brings major updates to AFCI, GFCI, EV charging, energy storage, and surge protection. Here are the 10 changes that matter most.

Solar-plus-storage installations are transforming residential and commercial electrical work. Here are 5 trends every electrician should watch in 2026.

The electrical trade faces a critical labor shortage. Here's what's driving it, how it affects project timelines, and what the industry is doing about it.

Voltage drop goes beyond the 3% rule. Learn when tighter limits apply and how length, load type, and temperature affect real-world results.

Size EV charger circuits correctly — from 40A Level 2 to 80A commercial stations. Covers NEC 625, continuous load rules, and panel capacity.

Arc flash kills and injures hundreds of workers annually. Understand incident energy, PPE categories, and NFPA 70E boundary distances to stay safe.

NEC Article 430 is the longest in the code. Simplify motor circuit design with this guide to FLC tables, branch circuit sizing, and overload protection.

Avoid these 5 wire sizing errors that cause failed inspections: ignoring derating, wrong temperature column, skipping voltage drop, and more.

NEC demand factors can reduce calculated load by 30-50%. Learn which loads qualify for reduction and how to apply NEC 220 correctly.

Master NEC conduit fill rules — 40% fill for 3+ conductors, nipple exceptions, and real-world sizing for common installations.