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Key Facts: CT Electrician Exam
70%
Passing Score
CT DCP
80
Questions
3.5-hour limit
$59
Exam Fee
PSI
2020 or 2023 NEC
Code Edition
PSI bulletin
Connecticut's E-2 Unlimited license is the journeyman electrician designation. The PSI-administered open-book exam has 80 questions with a 3.5-hour time limit and requires 70% to pass. Candidates may bring either the 2020 or the 2023 National Electrical Code. The DCP oversees electrical licensing in Connecticut.
Sample CT Electrician Practice Questions
Try these sample questions to review concepts for the CT Electrician exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 350+ question experience with AI tutoring.
1According to the NEC 2020 as adopted by Connecticut, what is the definition of a 'branch circuit'?
2Under Connecticut's NEC 2020 adoption, what is the definition of a 'continuous load'?
3Per the NEC 2020 as adopted in Connecticut, what is the minimum headroom required for working spaces about electrical equipment rated 600V or less?
4According to the NEC 2020 adopted by Connecticut, what is the required working space width in front of electrical equipment?
5Per NEC 2020 in Connecticut, what is the minimum depth of working space for Condition 1 at 0-150V to ground?
6In Connecticut, what is the minimum trade size for EMT per the NEC?
7Per the NEC 2020 adopted in Connecticut, what is the maximum height for the center of a disconnect handle?
8Per NEC 2020 in Connecticut, what is the maximum flexible cord length for a garbage disposal?
9Under Connecticut's NEC adoption, what is the minimum conductor size for a 20-ampere branch circuit?
10Per the NEC 2020 in Connecticut, what is the minimum conductor size for a 15-ampere branch circuit?
About the CT Electrician Exam
The Connecticut E-2 Unlimited journeyman electrician exam is administered by PSI under the Department of Consumer Protection. It is an open-book test covering 16 subject areas including electrical theory, wiring methods, grounding, load calculations, motors, photovoltaics and construction safety.
Exam sponsor: Connecticut Dept. of Consumer Protection (DCP). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
80 questions
Time Limit
3.5 hours
Passing Score
70%
Reported exam pass rate: Not published by DCP or PSI. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
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.
Raceways and Boxes
Conduit and tubing types, supports, bends, conduit fill, box and pull box sizing
General Electrical Knowledge
Electrical theory, Ohm's and Watt's laws, NEC layout, Article 100 definitions, Article 110
Service, Feeders, and Branch Circuits
Articles 210, 215, 220 and 230 including clearances, ratings and load calculations
Conductors and Cables
Ampacity, temperature correction, bundling adjustment, NM/MC/AC/UF cable rules
Grounding and Bonding
Article 250 grounding electrode systems, bonding jumpers, equipment grounding conductors
Overcurrent Protection
Article 240 standard ratings, conductor protection, device location and tap rules
Photovoltaics
Article 690 PV voltage and current sizing, rapid shutdown, disconnects and interconnection
Special Occupancies and Equipment
Hazardous locations, health care facilities, swimming pools, appliances and HVAC
Motors
Article 430 full-load current tables, conductor sizing, overload and controller rules
Fire Detection and Alarm Systems
NEC Article 760 and NFPA 72 circuit classes, separation and cable listings
Safety Information
OSHA 29 CFR 1926 construction safety, lockout/tagout, arc flash and PPE
Electrical Power
Transformers, generators, emergency and standby systems, transfer switches
Lighting
Article 410 luminaire locations, clothes closet clearances and recessed fixtures
Low Voltage
Article 725 Class 1, Class 2 and Class 3 remote-control and signaling circuits
Illuminated Signs
Article 600 electric signs, outline lighting, branch circuits and disconnects
High Voltage
Installations over 1,000 volts, working clearances and Article 490 equipment
Preparing for the CT Electrician Exam
What You Need to Know
- Passing score: 70%
- Exam length: 80 questions
- Time limit: 3.5 hours
- Exam / certification fees: $59 Official sources
Using Our Practice Resources
- Work through all 350 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
CT Electrician: Suggested Study Strategy
Frequently Asked Questions
What is the Connecticut E-2 Unlimited license?
The E-2 Unlimited is Connecticut's journeyman electrician designation. It allows you to perform electrical work under the supervision of a licensed contractor.
What NEC edition does Connecticut use?
The PSI Electrical Trades bulletin permits either the 2020 or the 2023 edition of the National Electrical Code in the testing room. The 2022 Connecticut State Building Code, which governs installations in the field, adopts the 2020 NEC with Connecticut amendments.
Who administers the Connecticut exam?
The exam is administered by PSI on behalf of the CT Dept. of Consumer Protection. The state determines examination eligibility; once approved, you contact PSI directly to pay and schedule.
What experience is required?
Connecticut requires completion of an approved apprenticeship program or 8,000 hours of documented experience under a licensed electrician.