Format
- 100 scored questions plus 10 unscored tryout questions
- 270 minutes · 75 correct to pass
- 2020 or 2023 NEC, or the NEC Handbook for either year
- Blueprint packet handed out at the test center
NASCLA Electrical Contractor Exam Prep – Self-Study (2020 NEC)
$495.00
NASCLA electrical contractor exam prep
For the NASCLA Electrical Contractor exam: 100 scored questions, 270 minutes, open book, 75 correct to pass. PSI gives it.
The exam allows the 2020 or 2023 NEC. This course follows the 2020 NEC, so that is the book to bring.
83 of 100questions are Code and theory
21 hoursof video, 100 lessons
500+mock exam questions
152 pagesJCR workbook + tabs
$495 full exam prep self-study package includes 20+ hours of video lessons (100 lessons, 21 hours), a 500+ question realistic mock exam (with digital access), the proprietary JCR workbook (152 pages) and permanent Code tabs. Buy the 2020 NEC Code book on its own.
You get the videos and digital practice exams as soon as you pay. Your printed workbook goes out the same business day.
JCR has trained 20,000+ electricians since 1985, led by instructor Victor Ring (50+ years in the trade). 93% pass rate for JCR classroom students.
Inside the self-study package
Permanent tabs only
The NASCLA bulletin allows permanent tabs, highlighting and underlining. Post-its and other temporary tabs must be removed before the exam.
NASCLA Electrical Contractor exam facts
Question mix
- General Code 17 · Wiring and Protection 17 · Wiring Methods 16
- Equipment 13 · Theory 11 · Special Occupancies 8 · Communications 1
- Safety 9 · Project Design and Management 8
What JCR covers: the 83 Code and theory questions, with 2020 NEC lookups and calculations practiced on a timer. Study separately: the 9 safety questions (OSHA, NFPA 70E), the 8 project design and management questions (NASCLA business guide, PMBOK), the ASHRAE 90.1 energy standard, and any state business and law exam.
Where the NASCLA exam is accepted
NASCLA lists 19 participating agencies. These accept the Electrical Contractor exam in place of their own trade exam: Alabama, Arizona, District of Columbia, Idaho, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, North Carolina, South Carolina (Contractors’ Licensing Board), Tennessee, Vanderburgh County (Indiana), Virginia and West Virginia.
Florida and the South Carolina Residential Builders Commission use the Residential exam only. Utah accepts it only through endorsement.
The NASCLA exam replaces the trade exam only. You still apply to each state, and many states also require their own business and law exam. See the state-by-state list.
What is in the $495 package
- 100 video lessons, 21 hours total: NEC navigation, theory and calculations.
- 500+ question realistic mock exam: printed and digital, with answers.
- Proprietary JCR workbook, 152 pages: step-by-step study plan and worked problems.
- Permanent Code tabs: the only kind NASCLA allows.
Not included: the NEC and the OSHA, NFPA 70E, PMBOK, ASHRAE and NASCLA business references. Get the 2020 NEC here.
Exam rules and official sources
| Who runs it | NASCLA approves your application. PSI gives the exam. |
|---|---|
| Application | $65 on NASCLA’s National Examination Database (NED). Processed within 7 business days. |
| Attempts | 3 within 1 year of approval |
| Format | Open book, computer-based |
| Books | NEC, OSHA 29 CFR 1926 and 1910 (2024), NFPA 70E (2024), PMBOK Guide (7th ed.), ASHRAE 90.1-2022, NASCLA Contractors Guide (Basic 14th ed.), Ugly’s (2023), Mike Holt’s Understanding Electrical Theory |
| Book prep | Highlight, underline, permanent tabs. No writing, no loose or attached papers, no temporary tabs. |
| Calculator | Silent, nonprinting, nonprogrammable |
| Transcripts | $45 per state agency, valid 2 years |
NASCLA candidate bulletin (PSI, July 2026) · NASCLA participating agencies · Apply for NASCLA exams · NASCLA NED
Steps from exam to license
- Check your state. Make sure your licensing agency accepts the NASCLA Electrical Contractor exam.
- Apply on NED. Pay NASCLA’s $65 fee. No experience is needed to take the exam, and you do not have to live in the state.
- Schedule with PSI. After approval, PSI emails your registration details.
- Pass, then send transcripts. Buy a $45 transcript on NED for each agency and apply to that state for the license.
Full details: JCR’s NASCLA Electrical Contractor exam guide.
Shipping and access
Video and digital practice exam access starts at checkout. We mail the printed workbook, mock exam and tabs the same business day.
Questions? Call (704) 696-8555 or email JCR.
NASCLA exam questions
Which NEC edition is the NASCLA electrical exam based on? The 2020 or 2023 NEC. Either edition is allowed in the exam room. This course follows the 2020 NEC.
Is the NASCLA Electrical Contractor exam open book? Yes. Bring your own references. PSI does not supply books.
How many questions are on the NASCLA exam? 100 scored questions, plus 10 unscored ones, in 270 minutes. You need 75 correct.
Can I use tabs? Permanent tabs, highlighting and underlining are allowed. Temporary tabs are not.
Does NASCLA replace my state’s business and law exam? No. It stands in for the trade exam only. State business and law exams are separate.
How long should I study? 6–8 weeks, about an hour a night.
“Hi Victor, I wanted to let you know that I passed my exam on the first try. Made an 87%. Thanks for all your help, and pass along my thanks to your team.”
— Rick A.Getting a Missouri statewide electrical contractor license? Missouri uses this exam. See Missouri electrical contractor exam prep.
Everything for $495
Line up the JCR package against other exam prep programs.
Sample a JCR lesson
Read next: NASCLA Electrical Contractor exam guide · Electrician exam requirements by state
Check your level first. The free quiz is general 2020 NEC practice, not NASCLA exam questions.
Take the free 2020 NEC practice quiz