Free practice test · Utah · 2023 NEC

Utah journeyman electrician practice test

A free practice test for the Utah journeyman electrician exam: 30 questions on the 2023 NEC, including the Utah law and rules questions, in the proportions of the official outline. No account needed. You get your score by subject and every answer explained.

How this test works

Part	Questions	Time at the exam's pace
Utah Journeyman Electrician Examination	30	72 minutes

Questions are spread over every subject area of the Utah 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 75 percent. Keep your 2023 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 Utah Journeyman Electrician exam guide.

The test

Question 1A branch circuit supplies 24 A of continuous load and 12 A of noncontinuous load. The breaker is not listed for 100 percent operation. What is the minimum standard breaker rating? A. 45 A B. 40 A C. 30 A D. 60 A

Question 2A branch circuit supplies 38 A of continuous load and 4 A of noncontinuous load. The panelboard and breaker assembly is listed for operation at 100 percent of its rating; apply the 210.20(A) Exception. What is the minimum standard breaker rating? A. 60 A B. 40 A C. 70 A D. 45 A

Question 3A 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 4A branch circuit uses 12 AWG copper with 60°C terminals (20 A). No correction or adjustment applies. What is the largest continuous load it may carry under 210.19(A)(1)? A. 20 A B. 16 A C. 25 A D. 12.8 A

Question 5A box with no clamps and no grounding conductors has six 14 AWG conductors entering it and two single-pole switches, each on its own yoke. What is the required volume? A. 16.00 in.³ B. 22.50 in.³ C. 20.00 in.³ D. 12.00 in.³

Question 6Six 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 7A 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 8A panelboard is in a locked electrical room. The electrician has the key, and no climbing, ladders or moving obstacles are needed. Is it readily accessible? A. No; any lock makes it not readily accessible B. Yes; a key is not one of the tools the definition excludes C. No; it is only accessible D. Only if the room is unlocked during business hours

Question 91/0 AWG THHN copper conductors are installed in a 50°C ambient. What is their corrected ampacity, based on the 90°C rating? Round to 0.1 A. A. 112.5 A B. 123.0 A C. 139.4 A D. 207.3 A

Question 103 AWG THWN copper conductors run through a space where the ambient temperature is 104°F. What is their corrected ampacity? Round to 0.1 A. A. 82.0 A B. 91.0 A C. 88.0 A D. 100.0 A

Question 11A 208 V three-phase load draws 50 A at the end of a 200 ft (one-way) run of 6 AWG copper. Using K = 12.9 and Chapter 9, Table 8, what is the voltage drop? Use 1.732 for √3. Round to 0.01 V. A. 9.83 V B. 4.92 V C. 17.03 V D. 8.51 V

Question 12A 120 V, 2-wire circuit of 10 AWG copper supplies a 20 A load 75 ft away (one-way). Using K = 12.9 and Chapter 9, Table 8, what is the voltage drop as a percentage of the source voltage? Round to 0.01%. A. 1.55% B. 3.73% C. 6.21% D. 3.11%

Question 13A connected load of 18,000 VA has a demand factor of 35 percent applied to it. What is the demand load? A. 11,700 VA B. 630,000 VA C. 630 VA D. 6,300 VA

Question 14A 240 V supply sags by 3 percent under load. What voltage is left at the load? A. 232.8 V B. 7.2 V C. 237.0 V D. 247.2 V

Question 15A 100-A feeder would normally use 3 AWG copper, but 1/0 AWG copper is installed for voltage drop. What is the minimum size of the copper wire-type EGC? A. 4 AWG B. 8 AWG C. 6 AWG D. 1/0 AWG

Question 16A 200-A feeder would normally use 3/0 AWG copper; 250 kcmil copper is installed to reduce voltage drop. Under 250.122(B), what minimum circular-mil area must the copper EGC have? Round to the nearest 100 cmil. A. 26,240 cmil B. 17,600 cmil C. 108,400 cmil D. 39,100 cmil

Question 17A 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 18A motor-compressor has RLA 30 A and BCSC 33 A. Copper THWN conductors, terminals rated 75°C. What is the minimum branch-circuit conductor size? A. 8 AWG B. 10 AWG C. 6 AWG D. 4 AWG

Question 19An 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

Question 20An EVSE is rated 10 kW at 240 V, single-phase. What is the minimum standard overcurrent device rating for its branch circuit? A. 60 A B. 45 A C. 70 A D. 110 A

Question 21A 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 22A condensing unit's compressor nameplate reads: RLA 15.6 A, BCSC 18 A, LRA 92 A. The unit's minimum circuit ampacity is marked 22.5 A. What is the minimum ampere rating of the compressor disconnect? Round only the final answer, to 0.1 A. A. 20.7 A B. 25.9 A C. 17.9 A D. 22.5 A

Question 23A Utah apprentice electrician did not attend an approved program of electrical study and plans to qualify for the journeyman license on full-time work experience alone (the eight-year experience route in the statute). Under the Electricians Licensing Act Rule, how many hours of full-time work experience as a licensed apprentice must the applicant have? A. 8,000 hours B. 16,000 hours C. 6,000 hours D. 4,000 hours

Question 24Working heavy overtime, a Utah licensed apprentice electrician logged 3,400 hours of electrical work in one 12-month period. Under the Electricians Licensing Act Rule, how many of those hours may be credited toward the experience required for licensure? A. All 3,400 hours B. 3,000 hours C. 2,000 hours D. 4,000 hours

Question 25Write the trade size 1-1/4 as a decimal. A. 1.14 B. 1.4 C. 0.25 D. 1.25

Question 26A wire pull is measured at 8 ft 9 in. Write this length in decimal feet. A. 8.9 ft B. 8.09 ft C. 8.75 ft D. 105 ft

Question 27A 208Y/120 V three-phase panel supplies a balanced 10,800 VA three-phase load plus 120 V loads of 3,600 VA on phase A, 2,400 VA on phase B and 1,200 VA on phase C. Treat all loads as resistive and add line currents directly; round to whole amperes. What is the current on the most heavily loaded phase? A. 60 A B. 50 A C. 40 A D. 82 A

Question 28Line A of a 120/240 V panel must not carry more than 60 A. It already serves a 4,800 VA 240 V water heater and 2,400 VA of 120 V loads. How many more volt-amperes of 120 V load can be connected to line A? A. 4,800 VA B. 0 VA C. 7,200 VA D. 2,400 VA

Question 29A 24 Ω branch and an 8 Ω branch are connected in parallel across 120 V. What is the total current? A. 3.75 A B. 20 A C. 15 A D. 5 A

Question 30Two resistors in parallel have a combined resistance of 6 Ω. One of them is 10 Ω. What is the other? A. 15 Ω B. 4 Ω C. 3.75 Ω D. 16 Ω

Suggested time: 72 minutes

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Last verified November 11, 2026.