2020 Edition

Electrician Practice Test

Take a free Electrician Practice Test to see what kind of questions are on actual electrician license exams.  Most states require an electrician to pass an exam to receive a journeyman or master electrician license.   State exams cover such areas as Electrical Theory, Trade Knowledge, Grounding and Bonding, Wiring Methods and Installation, Overcurrent Protection, Load Calculations, etc.

To prepare for your actual Electrician Exam, these two practice exams by Ray Holder (Master Electrician and Certified Electrical Trade Instructor) have 300 questions with fully explained answers:

With Tests.com, you have the option to purchase a practice test kit based on the 2011, 2014 or 2017 NEC Codes. Check with your local code official to determine which code applies to your location.

1. Which of the following is not a type of service disconnect?
2. If a grounded conductor is attached to the disconnect switch, which type of service disconnect must be used?
3. What is the most frequently used wire size for interior wiring?
4. If you have four to six 12 AWG wires in a conduit, what would be the allowable current-carrying capacity in percentage to the normal?
5. If a box is to contain four No. 10 conductors and two No. 12 conductors, what is the minimum sized box that can be used in cubic inches?
6. A run of electrical conduit may not have more than _____________ quarter bends between fittings and outlets?
7. The total load on any single overcurrent device in a panelboard must not exceed 80 percent of its capacity where the load continues for 3 or more hours to avoid overheating of the conductor.
8. A fuse should be rated higher than the lowest rated component in a panelboard to be protected.
9. Which of the following locations would most likely require installation of a ground fault circuit interrupter?
10. An open circuit occurs in a wiring system when _____________________.
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11. Short circuits or grounds can be all of the following except __________________.
12. Which phase is probably open when you test Phase A and Phase B and get a low voltage reading, test Phase B and C and get a normal reading and test Phase A and C and get a low voltage reading?
13. In residential buildings, small appliance loads should have two or more ________________.
14. What law would you use to determine the voltage of a power supply?
15. Ohm's law states ____________________.
16. The amount that a given conductor resists the flow of electric current is measured in___________.
17. Which law holds that like-charged objects repel and opposite- charged objects attract?
18. Direct current can change direction.
19. Alternating current changes direction at which of the following frequencies?
20. Electron Theory and Conventional Theory hold opposite current flow directions.
21. Which of the following will not affect the resistance of a circuit?
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22. The greater the resistance, the more power is dissipated in the form of heat energy.
23. Which of the following are a source of electricity?
24. In a series circuit, the current has ___________ path(s) to take.
25. When connecting a voltmeter lnto a DC circuit, what should be observed?

Master Electrician Practice Exam

An electrician must be licensed. Licensure typically requires the passing of an exam. Learn more about the exams with our Journeyman and Master Electricians' Test Guide.

State Electrician Licensing Guides:

Alabama Electrician Exam

Alaska Electrician Exam

Arizona Electrician Exam

Arkansas Electrician Exam

California Electrician Exam

Colorado Electrician Exam

Connecticut Electrician Exam

Delaware Electrician Exam

Florida Electrician Exam

Georgia Electrician Exam

Hawaii Electrician Exam

Idaho Electrician Exam

Illinois Electrician Exam

Indiana Electrician Exam

Iowa Electrician Exam

Kansas Electrician Exam

Kentucky Electrician Exam

Louisiana Electrician Exam

Maine Electrician Exam

Maryland Electrician Exam

Massachusetts Electrician Exam

Michigan Electrician Exam

Minnesota Electrician Exam

Mississippi Electrician Exam

Missouri Electrician Exam

Montana Electrician Exam

Nebraska Electrician Exam

Nevada Electrician Exam

New Hampshire Electrician Exam

New Jersey Electrician Exam

New Mexico Electrician Exam

New York Electrician Exam

North Carolina Electrician Exam

North Dakota Electrician Exam

Ohio Electrician Exam

Oklahoma Electrician Exam

Oregon Electrician Exam

Pennsylvania Electrician Exam

Rhode Island Electrician Exam

South Carolina Electrician Exam

South Dakota Electrician Exam

Tennessee Electrician Exam

Texas Electrician Exam

Utah Electrician Exam

Vermont Electrician Exam

Virginia Electrician Exam

Washington Electrician Exam

West Virginia Electrician Exam

Wisconsin Electrician Exam

Wyoming Electrician Exam

Construction Trades Practice Tests

Electrician Practice