Free Practice Questions for NJ Registered Journeyman Electrician

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Exam Review

Key Facts: NJ Registered Journeyman Electrician Exam

70%

Passing Score

NJ Board of Examiners

~80

Questions

PSI exam

4 hrs

Time Limit

PSI exam

NEC 2023

Code Edition

NJ Board

The New Jersey registered journeyman electrician exam requires 70% to pass on approximately 80 NEC-based questions in 4 hours. NJ uses the NEC 2023 edition and the unique title 'registered journeyman electrician.' The exam is open-book with a bound NEC allowed. NJ requires 5 years of experience as an apprentice.

Sample NJ Registered Journeyman Electrician Practice Questions

Try these sample questions to review concepts for the NJ Registered Journeyman Electrician exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 307+ question experience with AI tutoring.

1According to NEC Article 100, what is the definition of a "continuous load"?

A.A load where the maximum current is expected to continue for 3 hours or more

B.A load that operates 24/7

C.A load that exceeds 80% of the circuit rating

D.Any load powered by a dedicated circuit

Explanation: NEC Article 100 defines a continuous load as one where the maximum current is expected to continue for 3 hours or more. This affects conductor and overcurrent device sizing. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

2Per NEC Article 100, what does "listed" mean?

A.Equipment included in a list published by a qualified testing laboratory that evaluates products

B.Equipment approved by the local inspector

C.Equipment mentioned in the NEC articles

D.Equipment sold by licensed distributors

Explanation: NEC Article 100 defines "listed" as equipment included in a list published by an organization acceptable to the authority having jurisdiction that evaluates products. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

3Per NEC 110.26(A)(1), what is the minimum working space depth in front of electrical equipment for Condition 1, 0-150V?

A.36 inches (3 feet)

B.30 inches

C.42 inches

D.48 inches

Explanation: NEC Table 110.26(A)(1) requires 36 inches minimum depth for Condition 1 at 0-150V to ground. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

4Per NEC 110.14(C)(1), what temperature rating governs conductor terminations on equipment rated 100A or less?

A.60°C unless both the conductor and equipment are listed for a higher temperature

B.75°C is the standard for all terminations

C.90°C to maximize conductor ampacity

D.The conductor temperature rating always governs

Explanation: NEC 110.14(C)(1) requires using the 60°C ampacity column for circuits 100A or less, unless both the equipment and conductors are rated and listed for higher temperatures. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

5Per NEC 110.12, what general requirement applies to all electrical equipment installation?

A.Equipment must be installed in a neat and workmanlike manner

B.Equipment must be painted to match the building

C.All wiring must be concealed

D.Equipment must be labeled with installer information

Explanation: NEC 110.12 requires electrical equipment to be installed in a neat and workmanlike manner. Inspectors use this as a general quality standard. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

6Per NEC 110.3(B), what obligation exists regarding manufacturer instructions for listed equipment?

A.Listed equipment must be installed and used per its listing and any instructions included in the listing

B.Instructions are suggestions that can be disregarded

C.Only the NEC, not manufacturer instructions, must be followed

D.Instructions only apply during the warranty period

Explanation: NEC 110.3(B) mandates that listed or labeled equipment be installed and used in accordance with its listing instructions, making them enforceable code requirements. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

7What is the minimum headroom required for working spaces around electrical equipment per NEC 110.26(A)(3)?

A.6 feet 6 inches or the height of the equipment, whichever is greater

B.6 feet

C.7 feet

D.8 feet

Explanation: NEC 110.26(A)(3) requires minimum headroom of 6.5 feet or the height of the equipment, whichever is greater. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

8Per NEC 110.26(C)(2), when are two entrance doors required for an electrical room?

A.When equipment rated 1,200A or more and over 6 feet wide is installed

B.For any electrical room over 100 sq ft

C.When the room contains more than 3 panels

D.Two doors are never required

Explanation: NEC 110.26(C)(2) requires two entrance doors when equipment rated 1,200A or more is over 6 feet wide. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

9Per NEC 210.8(A), GFCI protection is required for 125V, 15- and 20-ampere receptacles in which dwelling unit locations?

A.Bathrooms, kitchens, garages, outdoors, crawl spaces, basements, laundry areas, and within 6 feet of sinks

B.Only bathrooms and kitchens

C.Bathrooms, garages, and outdoors only

D.All rooms in the dwelling unit

Explanation: NEC 210.8(A) lists numerous locations requiring GFCI including bathrooms, garages, outdoors, crawl spaces, basements, kitchens, laundry areas, and within 6 feet of sinks. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

10What is the maximum continuous load on a 20-ampere branch circuit per NEC 210.20(A)?

A.16 amperes (80% of 20A)

B.20 amperes

C.18 amperes

D.15 amperes

Explanation: NEC 210.20(A) requires the branch-circuit overcurrent device rating to be not less than 125% of the continuous load, so the maximum continuous load is 80% of 20A = 16A. New Jersey electricians working under NJ Board of Examiners of Electrical Contractors must comply with NEC 2023 requirements.

About the NJ Registered Journeyman Electrician Exam

New Jersey's registered journeyman electrician exam is administered by PSI on behalf of the Board of Examiners of Electrical Contractors. The exam tests NEC 2023 knowledge including wiring methods, grounding and bonding, load calculations, motor circuits, and NJ-specific regulations. New Jersey uses the title 'registered journeyman' rather than 'licensed journeyman.'

Exam sponsor: NJ Board of Examiners of Electrical Contractors (PSI). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

80 questions

Time Limit

4 hours

Passing Score

70%

Exam / Certification Fees

$50-$150

Exam sponsor website

Reported exam pass rate: ~55%. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

NJ Board of Examiners of Electrical Contractors (PSI): official exam information

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

NEC General & Definitions

NEC Article 100 definitions, general requirements, and NJ-specific amendments

20%

Branch Circuits & Overcurrent Protection

Circuit sizing, conductor ampacity, GFCI/AFCI, and overcurrent devices

20%

Wiring Methods & Materials

Raceways, cable types, conduit fill, box fill, and installation requirements

20%

Grounding & Bonding

Article 250 grounding electrode systems, equipment grounding, and bonding

20%

Services, Motors & Special Occupancies

Service entrance, motor circuits, hazardous locations, healthcare, and swimming pools

Preparing for the NJ Registered Journeyman Electrician Exam

What You Need to Know

Passing score: 70%
Exam length: 80 questions
Time limit: 4 hours
Exam / certification fees: $50-$150 Official sources

Using Our Practice Resources

Work through all 307 available questions
Review every answer and explanation
Track weak areas and revisit them
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NJ Registered Journeyman Electrician: Suggested Study Strategy

1Master NEC Article 250 grounding and bonding — it carries the most weight on NJ exams

2Study NJ-specific electrical regulations and amendments to the NEC

3Practice load calculations for both dwelling units and commercial buildings using Article 220

4Memorize conductor ampacity from Table 310.16 and adjustment/correction factors

5Review hazardous location classifications in Articles 500-516 — tested on every exam

Frequently Asked Questions

What is a 'registered journeyman electrician' in New Jersey?

New Jersey uses the title 'registered journeyman electrician' instead of 'licensed journeyman electrician.' The designation means you have passed the state exam and are registered with the NJ Board of Examiners of Electrical Contractors to perform electrical work under the supervision of a licensed electrical contractor.

What NEC edition does New Jersey use?

New Jersey uses the NEC 2023 edition for the journeyman electrician exam. A bound copy of the NEC is allowed during the test. No loose papers, removed tabs, or handwritten notes are permitted.

How much experience is required in New Jersey?

New Jersey requires 5 years (approximately 10,000 hours) of experience as an electrical apprentice working under a licensed electrical contractor. Experience must be documented on the state application form.

How do I apply for the NJ electrician exam?

Apply through the NJ Board of Examiners of Electrical Contractors. After approval, you receive authorization to schedule with PSI. The exam fee ranges from $50-$150 depending on application and exam fees combined.

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