NEC 2023 vs 2020: Key Changes Every Electrician Needs to Know
The 2023 NEC introduced significant updates affecting GFCI requirements, emergency disconnects, surge protection, and energy storage systems. Here's a breakdown of the changes that will impact your daily work — whether you're pulling permits, prepping for inspection, or studying for your exam.
Read Article →How to Calculate Voltage Drop — Step by Step With Examples
Voltage drop is one of the most common calculations electricians face in the field. Whether you're running a 200-foot homerun to a sub-panel or sizing feeders for a commercial job, getting the voltage drop right means the difference between a passing inspection and a callback. Here's how to do it.
Read Article →The 10 Most Common Electrical Code Violations (And How to Avoid Them)
After years of pulling wire and watching inspections, certain code violations keep showing up on job sites. Missing GFCI protection in required locations, overcrowded boxes, improper bonding — these mistakes are preventable. Here are the top 10 violations inspectors flag most often.
Read Article →Journeyman Exam Prep: 20 Practice Questions With Answers
Studying for your journeyman electrician exam? These 20 practice questions cover the NEC sections that show up most frequently — grounding, overcurrent protection, conductor sizing, box fill, and motor calculations. Each question includes the answer and the exact NEC reference.
Read Article →Conduit Bending Cheat Sheet: Offsets, Saddles & Kicks
Conduit bending is one of those skills that separates a good electrician from a great one. Whether you're bending offsets around obstacles, rolling saddles over pipes, or kicking stubs into boxes, the math has to be right. Here's a quick-reference guide with the multipliers and formulas you need.
Read Article →Arc Flash Safety: What Every Electrician Should Know About NFPA 70E
Arc flash incidents cause hundreds of injuries and fatalities every year. Understanding NFPA 70E requirements — incident energy analysis, PPE categories, approach boundaries, and energized work permits — isn't optional. It's how you go home at the end of every shift.
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