Free Practice Questions for DE Electrician

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Exam Review

Key Facts: DE Electrician Exam

70%

Passing Score

DE DPR

Questions

4-hour limit

$75-100

Exam Fee

PSI

NEC 2020

Code Edition

DE DPR

Delaware's journeyman electrician exam is based on the NEC 2020 and administered by PSI. The exam has 80 questions with a 4-hour time limit and requires 70% to pass. The Division of Professional Regulation oversees licensing. The exam fee is approximately $75-100.

Sample DE Electrician Practice Questions

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

1According to the NEC 2020 as adopted by Delaware, what is the definition of a 'branch circuit'?

A.The circuit conductors between the final overcurrent device and the outlet(s)

B.The circuit conductors between the service point and the main disconnect

C.The circuit conductors between the transformer and the service entrance

D.The circuit conductors between two panelboards

Explanation: Per NEC Article 100, a branch circuit is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). This is fundamental to understanding electrical system layout.

2Under Delaware's NEC 2020 adoption, what is the definition of a 'continuous load'?

A.A load operating for 1 hour or more

B.A load where maximum current continues for 3 hours or more

C.Any load that operates continuously

D.A load exceeding 80% of circuit capacity

Explanation: Per NEC Article 100, a continuous load is one where the maximum current is expected to continue for 3 hours or more. This affects sizing of conductors and overcurrent devices.

3Per the NEC 2020 as adopted in Delaware, what is the minimum headroom required for working spaces about electrical equipment rated 600V or less?

A.6 feet

B.6 feet 3 inches

C.6 feet 6 inches

D.7 feet

Explanation: Per NEC Section 110.26(A)(3), the minimum headroom for working spaces around electrical equipment rated 600V or less is 6 feet 6 inches (6.5 feet), or the height of the equipment, whichever is greater.

4According to the NEC 2020 adopted by Delaware, what is the required working space width in front of electrical equipment?

A.24 inches minimum

B.30 inches or the width of the equipment, whichever is greater

C.36 inches minimum

D.48 inches minimum

Explanation: Per NEC Section 110.26(A)(2), the working space width must be at least 30 inches or the width of the equipment, whichever is greater.

5Per NEC 2020 in Delaware, what is the minimum depth of working space for Condition 1 at 0-150V to ground?

A.2.5 feet

B.3 feet

C.3.5 feet

D.4 feet

Explanation: Per NEC Table 110.26(A)(1), Condition 1 (exposed live parts on one side only) for equipment rated 0-150V to ground requires a minimum working space depth of 3 feet.

6In Delaware, what is the minimum trade size for EMT per the NEC?

A.1/4 inch

B.3/8 inch

C.1/2 inch

D.3/4 inch

Explanation: Per NEC Section 358.20(A), the minimum trade size for EMT is 1/2 inch (metric designator 16).

7Per the NEC 2020 adopted in Delaware, what is the maximum height for the center of a disconnect handle?

A.5 feet 6 inches

B.6 feet

C.6 feet 7 inches

D.7 feet

Explanation: Per NEC Section 404.8(A), the center of the operating handle must not be more than 6 feet 7 inches (2.0 m) above the floor when in its highest position.

8Per NEC 2020 in Delaware, what is the maximum flexible cord length for a garbage disposal?

A.18-36 inches

B.24-48 inches

C.12-24 inches

D.36-60 inches

Explanation: Per NEC Section 422.16(B)(1), a cord-connected garbage disposal must use a flexible cord between 18 and 36 inches in length.

9Under Delaware's NEC adoption, what is the minimum conductor size for a 20-ampere branch circuit?

A.14 AWG copper

B.12 AWG copper

C.10 AWG copper

D.8 AWG copper

Explanation: Per NEC Section 210.3 and Table 210.3, a 20-ampere branch circuit requires a minimum of 12 AWG copper.

10Per the NEC 2020 in Delaware, what is the minimum conductor size for a 15-ampere branch circuit?

A.18 AWG

B.16 AWG

C.14 AWG copper

D.12 AWG copper

Explanation: Per NEC Section 210.3, the minimum conductor size for a 15-ampere branch circuit is 14 AWG copper.

About the DE Electrician Exam

The Delaware journeyman electrician exam is administered by PSI under the Division of Professional Regulation. It tests NEC 2020 knowledge including electrical theory, wiring methods, grounding, load calculations, and Delaware-specific amendments.

Exam sponsor: Delaware Division of Professional Regulation. 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

$75-100

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

Delaware Division of Professional Regulation: 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.

25%

Wiring Methods & Materials

Raceways, cables, conduit fill, conductor ampacity, and DE amendments

20%

Grounding & Bonding

Article 250, grounding electrode systems, equipment grounding, bonding

20%

Branch Circuits & Overcurrent Protection

Conductor sizing, GFCI/AFCI, receptacle spacing, overcurrent devices

20%

Load Calculations & Services

Dwelling and commercial calculations, demand factors, service entrance, feeders

15%

Motors, Special Occupancies & NEC General

Motor circuits, transformers, hazardous locations, healthcare, pools, NEC definitions

Preparing for the DE Electrician Exam

What You Need to Know

Passing score: 70%
Exam length: 80 questions
Time limit: 4 hours
Exam / certification fees: $75-100 Official sources

Using Our Practice Resources

Work through all 307 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

DE Electrician: Suggested Study Strategy

1Master NEC Article 250 (Grounding and Bonding)

2Practice dwelling unit load calculations per Article 220

3Memorize conductor ampacity from Table 310.16 at 75°C

4Study conduit fill using NEC Chapter 9 tables

5Review motor circuit requirements in Article 430

Frequently Asked Questions

What NEC edition does Delaware use?

Delaware currently uses the NEC 2020 edition for the journeyman electrician exam, adopted by the Division of Professional Regulation.

Who administers the Delaware exam?

The exam is administered by PSI on behalf of the Delaware Division of Professional Regulation.

Is the exam open book?

Yes, PSI-administered electrical exams typically allow a bound copy of the adopted NEC. No loose papers or handwritten notes permitted.

What experience is required?

Delaware requires documented experience under a licensed electrician, typically through an approved apprenticeship program.

Free Practice Questions for DE Electrician

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