Journeyman Electrician – National Portion Exam
Try 10 realistic journeyman-level electrician questions before you buy the full practice exam.
Answer each question, then click “Check my score” at the bottom of the page. You’ll see your total score plus the correct answers for every item.How this free practice exam works
This 10-question mini-exam is designed to mirror the style and cognitive level of the Journeyman Electrician – National Portion exam, including concepts based on the National Electrical Code (NEC).- Choose one answer for each multiple-choice question.
- Click “Check my score” to see how you did.
- Instant feedback shows which questions are correct or incorrect and reveals the right answers.
This practice content is for exam preparation only and is not endorsed or approved by any state licensing board, testing service, or code organization. Always refer to the most current NEC and your jurisdiction’s requirements when working in the field.
Journeyman Electrician – National Portion Exam (10 Questions)
On this journeyman-level exam, you are asked to size the copper grounding electrode conductor for a 200 A, 120/240 V, single-phase dwelling service with 4/0 AWG copper service-entrance conductors. According to commonly tested NEC tables, the minimum copper grounding electrode conductor is:
For exam purposes at the journeyman level, the term ampacity is best defined as the:
On this exam, the general lighting load for a one-family dwelling is figured at 3 volt-amperes (VA) per square foot. A 1,600 ft² dwelling also requires two 20 A small-appliance circuits and one 20 A laundry circuit, each counted at 1,500 VA. Before any demand factors are applied, what is the total general lighting and receptacle load in VA?
A feeder for a commercial panelboard is protected by a 125 A breaker. The conductors are copper THHN installed in a raceway, and the terminals are rated 75 °C. According to NEC ampacity tables commonly tested at the journeyman level, the minimum conductor size that can be used for this feeder is:
For exam purposes at the journeyman level, a continuous load is generally defined as a load where the maximum current is expected to continue for at least:
A dwelling unit bedroom circuit on this exam must provide protection against arcing faults. Which protective device is typically required for this branch circuit under current NEC requirements being tested?
According to color identification practices commonly tested at the journeyman level, the grounded (neutral) conductor in a 120/240 V single-phase system is typically required to be:
On this exam, you are reminded that equipment grounding conductors (EGCs) are primarily intended to:
A two-car residential garage has general-purpose receptacles installed along the walls. According to requirements commonly tested at the journeyman level, these garage receptacles must:
This exam frequently references the primary organization responsible for developing and publishing the National Electrical Code (NEC). Which organization is this?