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Exam Review
Key Facts: AK Electrician Exam
70%
Passing Score
8 AAC 90.115(c)
4 hours
Time Limit
AK DOL Mechanical Inspection
$250
State Fees
AS 18.62.030
NEC 2020
Code Edition
8 AAC 70.025
Alaska issues a Certificate of Fitness rather than a traditional journeyman license, and issues no master electrician license at all. The exam is open book on the 2020 NEC, has a four-hour maximum time limit, and requires 70 percent to pass; the number of questions is not published. Eligibility requires 8,000 documented hours under 8 AAC 90.160, and state fees are $50 for the application plus $200 for the two-year certificate. A failed exam requires a 30-day wait before retesting.
Sample AK Electrician Practice Questions
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1According to the NEC 2020 as adopted by Alaska, what is the definition of a 'feeder'?
A.The circuit conductors between the service point and the main disconnect
B.All circuit conductors between the service equipment and the final branch-circuit overcurrent device
C.The circuit conductors between the transformer and the service entrance
D.The circuit conductors between the final overcurrent device and the outlet
Explanation: Per NEC Article 100, a feeder is defined as all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device. This is distinct from both service conductors and branch circuits.
2Under NEC 2020 Table 300.5, what minimum cover is required for listed direct-burial PVC conduit under a public street, road, highway, alley, driveway, or parking lot?
A.12 inches
B.18 inches
C.24 inches
D.30 inches
Explanation: Table 300.5 requires 18 inches of cover for a listed direct-burial nonmetallic raceway, such as PVC, under streets, highways, roads, alleys, driveways, and parking lots used for vehicular traffic. The 24-inch value in that row applies to direct-burial cable, not PVC raceway.
3In Alaska, electricians receive a 'Certificate of Fitness' rather than a traditional license. Under the NEC 2020, what is the minimum size equipment grounding conductor for a 200-ampere circuit?
A.4 AWG copper
B.6 AWG copper
C.8 AWG copper
D.2 AWG copper
Explanation: Per NEC Table 250.122, the minimum equipment grounding conductor for a circuit protected by a 200-ampere overcurrent device is 6 AWG copper. Alaska issues a Certificate of Fitness for journeyman electricians through the Department of Labor and Workforce Development.
4Under NEC 2020, when must a dwelling-unit hallway have at least one receptacle outlet?
A.When the hallway is at least 6 feet long
B.When the hallway is at least 8 feet long
C.When the hallway is at least 12 feet long
D.When the hallway is 10 feet or more long
Explanation: Section 210.52(H) requires at least one receptacle outlet in a dwelling-unit hallway that is 10 feet or more in length. It does not apply the general 6-foot wall-space placement rule to hallway length.
5According to the NEC 2020 as enforced in Alaska, what is the ampacity of a 1/0 AWG copper THWN conductor at 75°C?
A.125 amperes
B.150 amperes
C.170 amperes
D.195 amperes
Explanation: Per NEC Table 310.16, a 1/0 AWG copper conductor at the 75°C column has an ampacity of 150 amperes. This is a frequently referenced value for sizing feeders and subfeeders in residential and light commercial applications.
6Per the NEC 2020 adopted in Alaska, what is the minimum size grounding electrode conductor for a service with 3/0 AWG copper service-entrance conductors?
A.8 AWG copper
B.6 AWG copper
C.4 AWG copper
D.2 AWG copper
Explanation: Per NEC Table 250.66, for service-entrance conductors sized at 3/0 AWG copper, the minimum grounding electrode conductor is 4 AWG copper. This table correlates service-entrance conductor size to the required GEC size.
7In Alaska, given the extreme cold temperatures, which NEC article addresses the installation of electrical equipment in locations where the ambient temperature may affect conductor ampacity?
A.Article 110
B.Article 310
C.Article 300
D.Article 240
Explanation: Article 310 includes the ambient-temperature correction factors in Table 310.15(B)(1). A factor above 1.00 may be used at low ambient temperatures, but the final allowable ampacity remains subject to termination temperature limits, conductor-count adjustment, and applicable overcurrent-protection rules.
8For a 30-ampere circuit breaker that is not part of a listed 100%-rated assembly, what is the largest continuous load permitted by the usual 125% sizing rule?
A.20 amperes
B.24 amperes
C.25 amperes
D.30 amperes
Explanation: Section 210.20(A) requires the branch-circuit overcurrent device to be sized for the noncontinuous load plus 125% of the continuous load. With no noncontinuous load, 30 A ÷ 1.25 = 24 A. The listed 100%-rated-assembly exception is excluded by the stem.
9Under NEC 2020 Table 220.42, what demand factor applies to the general-lighting load of an occupancy in the table’s “All Others” category?
A.50%
B.75%
C.100%
D.125%
Explanation: Table 220.42 applies a 100% demand factor to the total general-lighting load for occupancies classified as “All Others.” There is no generic commercial-building rule that reduces only the portion above 10 kVA.
10Per NEC 2020 as adopted in Alaska, what is the minimum number of 20-ampere small-appliance branch circuits required in a dwelling unit?
A.One
B.Two
C.Three
D.Four
Explanation: NEC Section 210.11(C)(1) requires a minimum of two 20-ampere small-appliance branch circuits to serve receptacle outlets in the kitchen, pantry, breakfast room, dining room, and similar areas. These circuits are dedicated to small-appliance loads.
About the AK Electrician Practice Questions
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