Practice test

North Carolina Journeyman Electrician Practice Test

Free North Carolina journeyman electrician practice test with 20 NEC-based questions. Covers grounding, load calculations, and wiring methods. Instant scoring.

These questions are for study practice only and are not official exam questions.

Question 1

1

When three or more conductors are installed in a conduit or tubing, what is the maximum percentage of the raceway cross-sectional area the conductors may occupy?

Question 2

2

In a standard dwelling service calculation, what minimum load must be included for the two required small-appliance branch circuits?

Question 3

3

In a subpanel downstream of the service disconnect, how must the neutral and equipment grounding conductors be arranged?

Question 4

4

In North Carolina, who actually holds an electrical contractor license issued by the NCBEEC?

Question 5

5

A dwelling has a calculated demand load of 24,000 VA on a 120/240-volt single-phase service. What is the minimum service size in amperes before rounding to a standard rating?

Question 6

6

What is the minimum length of a rod electrode used as a grounding electrode under the 2020 NEC?

Question 7

7

What is the function of the main bonding jumper at a service?

Question 8

8

A dry-type transformer creates a separately derived 208Y/120-volt system. What connection establishes the neutral-to-ground bond for this new system?

Question 9

9

Which edition of the National Electrical Code is currently enforced statewide in North Carolina?

Question 10

10

Does North Carolina issue a statewide journeyman electrician license?

Question 11

11

A 4,500-watt, 240-volt storage water heater (under 120 gallons) is supplied by an individual branch circuit. What is the minimum standard overcurrent device rating?

Question 12

12

Per Table 250.122, what is the minimum size copper equipment grounding conductor for a circuit protected by a 60-ampere breaker?

Question 13

13

What is the status of the 2023 NEC in North Carolina as of 2026?

Question 14

14

Under NCBEEC rules, a Limited (L) electrical contractor license in North Carolina covers a single project valued up to what amount?

Question 15

15

To qualify as a concrete-encased electrode under NEC 250.52(A)(3), reinforcing bar in a footing must be at least what size and length?

Question 16

16

Under the 2020 NEC, what is the maximum overcurrent protection generally permitted for 12 AWG copper conductors?

Question 17

17

In dwelling unit habitable rooms, receptacle outlets must be spaced so that no point along the floor line of any wall space is more than what distance from a receptacle?

Question 18

18

Using Table 220.55, Column C, what demand load may be used for one household electric range rated 12 kW?

Question 19

19

A service is supplied by 2/0 AWG copper service-entrance conductors. Per Table 250.66, what is the minimum copper grounding electrode conductor to a metal water pipe electrode?

Question 20

20

Using the standard method of the 2020 NEC, what is the general lighting load for a 2,000-square-foot dwelling?

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