Ace Your IBEW Aptitude Test. Master the NEC on the Job.
The only app built by a licensed electrician — for electricians and apprentice applicants.
Take the Free Aptitude Practice Test20 questions · No signup · Instant results
Download the App — Free 7-Day TrialA licensed electrician used ChatGPT for a code question on the job. It gave him wrong info. He failed the inspection. It cost him $800 in callbacks.
He built Sparky AI so no electrician goes through that again. ChatGPT gets NEC questions wrong 60% of the time. Sparky doesn’t.
Read the full story →Preparing for Your IBEW Interview?
Our free IBEW aptitude practice test covers every section of the NJATC exam. Math, algebra, reading comprehension, and mechanical reasoning. Get your score instantly.
Start the Free Practice Test →On the Job and Need the Code?
355+ NEC reference modules, AI-powered code lookup, and electrical calculators. Every answer includes the exact NEC article citation.
Try Free for 7 Days →Everything in the App
AI-Powered NEC Lookup
Ask any code question in plain English. Get accurate answers with NEC article citations — not ChatGPT guesses.
355 Reference Modules
Residential, commercial, industrial, specialty, low voltage, solar, EV, pools, generators, and more.
Electrical Calculators
Wire sizing, voltage drop, box fill, conduit fill, load calculations, motor circuits, demand factors, and Ohm's Law.
Troubleshooting Guides
Step-by-step diagnostic protocols for breakers, GFCI, AFCI, motors, service panels, and more.
IBEW Aptitude Test Prep
Full IBEW aptitude practice test plus study materials covering every NJATC section.
Safety & Inspection Prep
PPE requirements, NFPA 70E arc flash references, common inspection failures, and AHJ-ready NEC citations.
From the Sparky AI Blog
View all posts →How Hard Is the IBEW Aptitude Test? (Honest Answer from a Journeyman)
The math section is where most people fail. Here is the honest answer about difficulty, scoring, and how long to study before you take it.
Read moreIBEW Aptitude Test Math Section — Complete Breakdown With Examples
Every math topic on the IBEW aptitude test with worked examples. Fractions, algebra, percentages, and the time management that beats the section.
Read moreIBEW Apprenticeship Waiting List — What to Do While You Wait
You made the eligibility list. Now what? Pre-apprenticeship programs, helper jobs, and the retake strategy that gets you called sooner.
Read moreFree Electrical Calculators
View all 9 →“Passed my IBEW aptitude test first try after using the practice test. The math explanations are exactly what I needed.”
— App Store Review, May 2026
Ready to get started?
Free aptitude practice test. Free 7-day app trial. No credit card required.