Free Journeyman Electrician Practice Test by State 2026: 3,700+ NEC Questions

Why the Journeyman Electrician License Is One of the Highest-Value Trades Credentials in 2026

Becoming a licensed journeyman electrician is one of the best career decisions you can make in the skilled trades. According to the Bureau of Labor Statistics (May 2024), electricians earn a median annual wage of $62,350 — with the top 10% earning over $106,030. Factor in overtime, side jobs, and specialization premiums (solar, EV charging, industrial controls), and six-figure earnings are common for experienced journeymen.

The BLS projects 9% job growth for electricians from 2024 to 2034 — much faster than the national average — with approximately 81,000 openings per year. The demand is being driven by electric vehicle infrastructure, renewable energy installations, data center construction, and an aging workforce that is retiring faster than new apprentices are entering the trade.

But the journeyman exam itself is a serious barrier. In Texas, for example, only 27% of candidates passed in 2024. The exam is based on the National Electrical Code (NEC), and it tests your ability to look up answers quickly in the code book under timed conditions. Success requires thousands of practice questions, not just jobsite experience.

We offer 3,700+ free practice questions across 35 states and DC — each aligned with your state's licensing board and current NEC edition.

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Journeyman Electrician Exam Format Deep-Dive

Key insight: This is an open-book exam, but it is NOT easy. The questions are designed to be impossible to answer within the time limit unless you can navigate the NEC code book quickly. Candidates who fail typically know the material but cannot find answers fast enough. Tab your code book extensively.

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Complete State-by-State Practice Test Directory

Click your state below to start practicing. The NEC Code Year column shows which edition your state currently tests on — studying the wrong edition is one of the most common reasons candidates fail.

Note: States like California, Florida, and New York handle electrician licensing at the local/county level rather than the state level and are not listed above. Check your local jurisdiction for specific requirements. NEC code years listed reflect the edition in effect as of early 2026 — check your state board for the latest adoption status, as several states are transitioning to NEC 2026.

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Complete Exam Content Breakdown by NEC Topic

The journeyman electrician exam is primarily based on the National Electrical Code (NEC), published by NFPA. Here is every major topic area with the approximate exam weight and key concepts.

1. General Requirements - NEC Articles 100-110 (5-10%)

Covers definitions of key electrical terms (ampacity, bonding, grounding, overcurrent), requirements for electrical installations, working clearances around equipment, and the fundamental rules that apply to all wiring. Article 100 definitions are tested heavily — if you do not know the NEC definition of "grounding electrode conductor" vs. "equipment grounding conductor," you will lose easy points.

2. Wiring and Protection - NEC Articles 200-285 (20-25%)

The largest section on most exams. Covers branch circuits, feeders, overcurrent protection (fuses and circuit breakers), grounding and bonding, and surge protection. This is where you need to master NEC Tables 250.66 (grounding electrode conductor sizing), 250.122 (equipment grounding conductor sizing), and the rules for GFCI and AFCI protection. The NEC 2023 expanded GFCI requirements to include 250-volt circuits in certain locations.

3. Wiring Methods and Materials - NEC Articles 300-399 (15-20%)

Covers conduit types (EMT, RMC, PVC, FMC), cable types (NM, MC, AC, SE), raceway fill calculations, conductor properties, and installation requirements. You must know NEC Chapter 9 Tables for conduit fill and the rules for supporting and securing each wiring method. Know the differences between wet, damp, and dry location requirements.

4. Equipment for General Use - NEC Articles 400-490 (10-15%)

Covers flexible cords and cables, switches, receptacles, luminaires, appliances, motors, generators, transformers, and capacitors. Motor calculations are a major focus — you must know how to size motor branch circuit conductors (125% of FLC), overload protection, and short-circuit/ground-fault protection using NEC Tables 430.248 and 430.250.

5. Special Occupancies - NEC Articles 500-590 (5-10%)

Covers hazardous (classified) locations (Class I, II, III; Division 1, 2; Zone 0, 1, 2), healthcare facilities, assembly occupancies, and temporary installations. Know the classification system for hazardous locations and which wiring methods are permitted in each.

6. Special Equipment - NEC Articles 600-695 (5-8%)

Covers electric signs, manufactured wiring systems, swimming pools and hot tubs, electric vehicle charging (Article 625), generators, and fire pumps. NEC 2023 and 2026 significantly updated Article 625 for EV charging infrastructure.

7. Special Conditions - NEC Articles 700-770 (5-8%)

Covers emergency systems, legally required standby power, optional standby, fire alarm circuits, optical fiber cables, and communication circuits. Know the transfer switch requirements and power source rules for emergency systems.

8. Load Calculations - NEC Articles 220-230 (20-25%)

The highest-weighted topic on most journeyman exams. You must be able to calculate residential service loads (standard and optional methods), commercial service loads, feeder loads with demand factors, branch circuit loads, and cooking equipment demand factors. This requires proficiency with NEC Tables 220.42, 220.44, 220.54, 220.55, and the service entrance conductor sizing from Table 310.16.

NEC 2026 Key Changes to Know

The NEC 2026 edition includes significant updates that states will begin adopting through 2026-2028:

• Reorganized article structure — some article numbers have moved; verify your state's edition
• Enhanced energy storage system requirements — expanded rules for battery backup and solar-plus-storage
• Updated AFCI and GFCI protection — additional circuits now require arc-fault and ground-fault protection
• Revised EV charging requirements (Article 625) — updated for bidirectional charging and higher-capacity installations
• New microgrid and distributed energy resource provisions — reflecting the growth of on-site generation
• Updated rapid shutdown requirements — enhanced safety requirements for rooftop solar PV systems

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10 Sample Journeyman Electrician Practice Questions

1. According to NEC Table 310.16, what is the ampacity of a 6 AWG THWN-2 copper conductor?

• A) 55 amps
• B) 65 amps
• C) 75 amps
• D) 85 amps

Answer: C) 75 amps. Per NEC Table 310.16, a 6 AWG copper conductor with THWN-2 insulation (rated 90 degrees C) has an ampacity of 75 amps when installed according to the conditions specified in the table header.

2. What is the minimum working clearance required in front of electrical equipment rated 120/208V, Condition 1?

• A) 2.5 feet
• B) 3 feet
• C) 3.5 feet
• D) 4 feet

Answer: B) 3 feet. NEC 110.26(A) requires a minimum clear working space of 3 feet in front of electrical equipment for Condition 1 (exposed live parts on one side and no live or grounded parts on the other) at 0-150V.

3. What size equipment grounding conductor is required for a 60-amp circuit?

• A) 14 AWG
• B) 12 AWG
• C) 10 AWG
• D) 8 AWG

Answer: C) 10 AWG. Per NEC Table 250.122, a 60-amp overcurrent protective device requires a minimum 10 AWG copper equipment grounding conductor.

4. GFCI protection is required for all 125V, 15- and 20-amp receptacles installed in which of the following locations?

• A) Living rooms
• B) Bedrooms
• C) Bathrooms
• D) Hallways

Answer: C) Bathrooms. NEC 210.8(A)(1) requires GFCI protection for all 125-volt, 15- and 20-ampere receptacles in bathrooms. This applies to both dwelling and non-dwelling locations.

5. Motor branch circuit conductors must have an ampacity not less than what percentage of the motor's full-load current?

• A) 100%
• B) 110%
• C) 125%
• D) 150%

Answer: C) 125%. NEC 430.22 requires that conductors supplying a single motor have an ampacity not less than 125% of the motor's full-load current as listed in NEC Tables 430.248 (single-phase) or 430.250 (three-phase).

6. What is the maximum number of 12 AWG THHN conductors permitted in a 3/4-inch EMT conduit?

• A) 10
• B) 12
• C) 16
• D) 20

Answer: C) 16. Using NEC Chapter 9 Table C.1 (or by calculating 40% fill per Table 1), a 3/4-inch EMT can accommodate 16 conductors of 12 AWG THHN.

7. According to NEC 220.55, the demand factor for one household range rated 12 kW or less is:

• A) 65%
• B) 70%
• C) 80%
• D) 8 kW

Answer: D) 8 kW. NEC Table 220.55 Column C states that the maximum demand for one range rated not over 12 kW is 8 kW. This is a fixed value, not a percentage.

8. What is the minimum size copper grounding electrode conductor required for a 200-amp service?

• A) 8 AWG
• B) 6 AWG
• C) 4 AWG
• D) 2 AWG

Answer: C) 4 AWG. NEC Table 250.66 requires a minimum 4 AWG copper grounding electrode conductor for service entrance conductors of 2/0 AWG or 3/0 AWG (which corresponds to a typical 200-amp service).

9. How far apart must receptacle outlets be spaced along the wall in a dwelling unit?

• A) No receptacle point along a wall may be more than 6 feet from a receptacle outlet
• B) No receptacle point along a wall may be more than 8 feet from a receptacle outlet
• C) Receptacles must be placed every 8 feet
• D) Receptacles must be placed every 10 feet

Answer: A) NEC 210.52(A)(1) requires that no point measured along the floor line of any wall space be more than 6 feet from a receptacle outlet. This effectively means receptacles are spaced no more than 12 feet apart.

10. What is the standard voltage drop recommendation for branch circuits per NEC 210.19(A) Informational Note No. 4?

• A) 2%
• B) 3%
• C) 5%
• D) 10%

Answer: B) 3%. The NEC recommends (not requires) a maximum voltage drop of 3% on branch circuits and 5% total on branch circuits plus feeders combined. While this is an informational note and not a mandatory requirement, it is frequently tested.

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How to Prepare: Your 6-Week Journeyman Electrician Study Plan

Weeks 1-2: Foundation and Code Navigation (10-12 hours/week)

• Tab your NEC code book extensively — this is the single most important step. Use pre-made NEC tab sets or create your own with clearly labeled tabs for every frequently referenced table and article
• Read through NEC Articles 100-110 for definitions and general requirements
• Practice finding information in the code book under timed conditions — aim to look up any article in under 30 seconds
• Take a diagnostic practice exam to identify your weakest areas
• Review NEC Table 310.16 (conductor ampacity) until you can read it in your sleep

Weeks 3-4: Core Content Deep-Dive (12-15 hours/week)

• Load calculations (Articles 220-230) — practice residential and commercial service calculations daily. This is the highest-weighted topic and the most time-consuming during the exam
• Grounding and bonding (Article 250) — master Tables 250.66 and 250.122, understand the difference between grounding electrode conductors and equipment grounding conductors
• Branch circuits and overcurrent protection (Articles 210, 215, 240) — know GFCI/AFCI requirements, conductor sizing rules, and overcurrent device ratings
• Complete 500+ practice questions focusing on these high-weight areas

Weeks 5-6: Special Topics and Exam Simulation (10-12 hours/week)

• Motor calculations (Article 430) — conductor sizing, overload protection, and short-circuit protection
• Conduit fill and conductor properties (Chapter 9 tables) — practice fill calculations until they are automatic
• Special occupancies and equipment (Articles 500-770) — focus on the most tested topics: hazardous locations, swimming pools, emergency systems
• Take 3-4 full-length timed practice exams — simulate real exam conditions, including using your tabbed code book
• Target 80% or higher on practice exams before scheduling the real test

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7 Expert Study Tips for the Journeyman Electrician Exam

1. Tab your code book like a professional. This is not optional — it is the single biggest predictor of exam success. Color-code tabs by topic area (blue for grounding, red for overcurrent, green for motors, etc.) and practice using them under timed conditions.

2. Master load calculations first. They are the highest-weighted topic and the most time-consuming per question. If you can solve residential service calculations in under 3 minutes each, you will have plenty of time for the rest of the exam.

3. Study the RIGHT NEC edition. Check the table above for your state's current NEC code year. Studying NEC 2023 when your state tests on NEC 2020 (or vice versa) will result in wrong answers. Table numbers and values can differ between editions.

4. Practice code lookups, not memorization. This is an open-book exam. The winners are not the people who memorized the most — they are the people who can find any answer in the code book within 30 seconds.

5. Do not skip motor calculations. Article 430 questions trip up many candidates because they require multiple steps: determine FLC from the table (not nameplate), size conductors at 125%, then size overcurrent protection using the correct table. Practice the multi-step process repeatedly.

6. Learn the code book structure. Chapters 1-4 apply generally, Chapter 5 covers special occupancies, Chapter 6 covers special equipment, Chapter 7 covers special conditions, and Chapter 9 contains tables. The NEC is organized logically — once you understand the structure, finding answers becomes intuitive.

7. Take full-length practice exams under timed conditions. The time pressure is real — most exams give you 3-4 hours for 70-100 questions, and many of those questions require code book lookups. If you run out of time on practice exams, you will run out of time on the real exam.

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Free vs. Paid Electrician Exam Resources: How We Compare

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Why OpenExamPrep for Journeyman Electrician Exam Prep

Zero cost. Zero signup. Unlimited practice. Here is what makes us different:

• 3,700+ NEC-based practice questions — not generic electrical trivia, but actual exam-style questions that reference specific NEC articles and tables
• State-specific coverage for 35 states + DC — including state amendments and licensing requirements that national-only prep courses miss
• Free AI tutor — ask any NEC question and get an instant, detailed explanation with code references. No paid subscription needed.
• Updated for 2026 — questions reflect the latest NEC editions and state-specific adoption timelines
• Code book references in every explanation — every answer tells you exactly which NEC article and table to reference, so you build code navigation skills while studying

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Journeyman vs. Master Electrician: What is the Difference?

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Frequently Asked Questions