Free practice test · Texas · 2026 NEC

Texas journeyman electrician practice test

A free practice test for the Texas journeyman exam: 30 questions on the 2026 NEC, 20 NEC Knowledge and 10 Calculations, in the proportions of the official outline. No account needed. You get your score by subject and every answer explained with the section to look up.

How this test works

Part	Questions	Time at the exam's pace
NEC Knowledge	20	46 minutes
Calculations	10	46 minutes

Questions are spread over every subject area of the Texas Journeyman Electrician outline in proportion to the number of questions each area has on the exam. The time is the exam's own minutes per question applied to this test, and the real exam passes at 70 percent on each portion. Keep your 2026 NEC open, as you will on the exam.

For code lookup speed, try the NEC code practice test. For the format, timing and what to bring, read the Texas Journeyman Electrician exam guide.

The test

Part 1: NEC Knowledge

Question 1A junction box sits above a lay-in ceiling with removable tiles, reachable from a stepladder. How is the wiring in that box best described? A. Readily accessible B. Not accessible, because it is above a ceiling C. Accessible, but not readily accessible D. Concealed and permanently closed in

Question 2On a plan drawn at 1/8 inch = 1 foot, two points are 2.5 inches apart on paper. How far apart are they? A. 10 feet B. 2.5 feet C. 20 feet D. 30 feet

Question 3Besides the value of the available fault current, what must the 110.24(A) field marking include? A. The arc flash boundary B. The date the fault-current calculation was performed C. The short-circuit current rating of the equipment D. The nominal system voltage

Question 4Two driven rods form a dwelling's grounding electrode. What is the minimum spacing between them? A. 8 ft B. 16 ft C. 6 ft D. 30 in.

Question 5A feeder rated 100 to 400 A supplies the entire load of a one-family dwelling. Under 310.12(B), its conductors may have an ampacity of not less than what percentage of the feeder rating? A. 80 percent B. 100 percent C. 125 percent D. 83 percent

Question 6A 20-ampere branch circuit supplies several receptacles. Which receptacle ratings does Table 210.21(B)(3) allow on it? A. 20 A only B. 15 A only C. 15 A or 20 A D. 20 A or 30 A

Question 7How many small-appliance branch circuits does 210.11(C)(1) require in a dwelling unit, and at what rating? A. One, rated 20 A B. Two or more, rated 15 or 20 A C. Two or more, rated 20 A D. Three or more, rated 20 A

Question 8What is the Table 310.16 ampacity of 6 AWG copper THHN read in the 90°C column (three current-carrying conductors, 30°C)? A. 75 A B. 55 A C. 65 A D. 95 A

Question 9A box contains one duplex receptacle on a single yoke, connected to 14 AWG conductors. How many conductor allowances does the yoke count for? A. One B. Four C. Zero D. Two

Question 10A metal panel is surface mounted outdoors on a wood-sided wall. What spacing behind the enclosure does 312.4(A) require? A. At least 1/2 in. B. None, if it is weatherproof C. At least 1/4 in. of airspace D. At least 1-1/4 in.

Question 11Which of these is a use of flexible cord permitted by 400.10(A)? A. Replacing the fixed wiring of a structure B. Running through a doorway to an adjacent room C. Connecting utilization equipment to make frequent interchange easier D. Concealed above a suspended ceiling

Question 12Fixed storage-type water heaters are considered continuous loads when their capacity is how large? A. 80 gal or less B. 120 gal or less C. 150 gal or less D. Any capacity

Question 13A receptacle is installed under a metal faceplate. What is the minimum distance its face must project from the plate? A. 0.76 mm (0.030 in.) B. Flush with the plate is enough C. 0.4 mm (0.015 in.) D. 1.02 mm (0.040 in.)

Question 14Where must the disconnecting means for air-conditioning equipment be located? A. Within sight from the panelboard that feeds it B. Within 25 ft of the equipment C. Within sight from and readily accessible from the equipment D. Anywhere, if it is lockable open

Question 15A 7 kW portable generator has a bonded neutral. Which of its receptacle outlets must have listed GFCI protection under 445.20? A. None, because portable generators are cord-connected B. All 125-volt, 15- and 20-ampere receptacle outlets C. Only the 125/250-volt receptacle outlets D. Only the 125-volt outlets, and only if the generator is unbonded

Question 16Conductors supply one motor in continuous duty. Their ampacity must be at least what? A. 125 percent of the nameplate full-load current B. 100 percent of the table full-load current C. 125 percent of the motor full-load current from the tables D. 115 percent of the nameplate current

Question 17A building is supplied by a single feeder. What is the maximum number of switches or circuit breakers that may serve as its disconnecting means for that supply? A. One B. Two C. Twelve D. Six

Question 18A farmer chooses to install a generator to keep milk refrigeration running during outages. No code requires it. Which article governs? A. Article 700 B. Article 702 C. Article 701 D. Article 445 only, with no Chapter 7 article

Question 19A communications cable passes over the roof of a commercial building (not an auxiliary building such as a garage). Under the general rule of 800.44(B), what vertical clearance from the roof is required? A. 3 ft B. 8 ft C. 10 ft D. 18 in.

Question 20For sizing circuits, how does Article 625 classify the load of EV supply equipment? A. As a noncontinuous load B. As a motor load C. As a continuous load D. At 80 percent of nameplate

Part 2: Calculations

Question 21Write the trade size 1-1/4 as a decimal. A. 1.14 B. 1.4 C. 0.25 D. 1.25

Question 22A service has 600 kcmil aluminum ungrounded conductors in one raceway. What is the minimum size of an aluminum main bonding jumper? A. 3/0 AWG B. 1/0 AWG C. 4/0 AWG D. 2/0 AWG

Question 23A feeder supplies a 150-A continuous load only. Copper THWN conductors, 75°C terminals, no correction or adjustment factors. What is the minimum conductor size? A. 1/0 AWG B. 3/0 AWG C. 4/0 AWG D. 2/0 AWG

Question 24A branch circuit supplies a 46-A continuous load. THHN copper conductors; the terminals are not marked and the circuit is 100 A or less. No correction or adjustment factors apply. What is the minimum conductor size? A. 6 AWG B. 4 AWG C. 8 AWG D. 3 AWG

Question 25Six 12 AWG equipment grounding conductors enter a box. Under 314.16(B)(5), what volume do the EGCs require? A. 2.25 in.³ B. 13.50 in.³ C. 5.63 in.³ D. 3.38 in.³

Question 26A motor-compressor is marked with a rated-load current of 18 A and a branch-circuit selection current of 22 A. What minimum ampacity must its branch-circuit conductors have? A. 22.5 A B. 22 A C. 50 A D. 27.5 A

Question 27The conductors from a 260-A (nameplate) generator to its first distribution panel have no overcurrent protection at the generator end. What minimum ampacity does 445.13(A) require? A. 325.0 A B. 226.1 A C. 260.0 A D. 299.0 A

Question 28A motor-compressor is marked RLA 32 A and LRA 160 A; no branch-circuit selection current is marked. What is the minimum ampere rating of its disconnecting means? A. 184.0 A B. 40.0 A C. 32.0 A D. 36.8 A

Question 29What is the minimum rating of the disconnecting means for a capacitor bank with a rated current of 48 A? A. 55.2 A B. 64.8 A C. 60.0 A D. 48.0 A

Question 30An EVSE is rated 24 A. What minimum branch-circuit conductor ampacity does 210.19(A)(1) require, before any correction or adjustment? A. 24 A B. 30 A C. 27.6 A D. 36 A

Suggested time: 92 minutes

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Last verified November 11, 2026.