Free Electrician Exam Practice Test 2014 NEC

Take this 25-question free Electrician exam, & see where you stand! These electrician exam practice questions are similar to the 2014 NEC test questions found on the actual electrician exam. Each test is a random selection from thousands of potential questions, so memorizing answers is not the path to passing your exam!

The electrician exam is a code reference exam. You are tested on your 2014 NEC code knowledge and ability to locate test answers quickly.

Remember: The answer is irrelevant. The process of locating the answer in the codebook will ensure you pass your exam.  If you understand how to find answers in your codebook, you should be able to get 100% of these questions correct.

We teach you how to navigate your codebook – master the code, master the exam!

Use the 2014 (NEC) National Electrical Code) to solve these electrical certification exam practice questions.

Welcome to your free 2014 NEC Quiz

1. 
What is the minimum height of a service-drop conductor over a residential driveway?

2. 
What is the maximum overcurrent protection for a 16 AWG Copper wire?

3. 
A GFCI-protected receptacle in a dwelling unit garage is required for:

4. 
What is the minimum headroom of working spaces about service equipment or motor control centers?

5. 
The disconnect for a sign in a commercial location must be within sight of the sign, or it must be:

6. 
When installing a 125V, 15A/20A receptacle on a rooftop for HVAC, what is the maximum distance it can be from the equipment?

7. 
Which of the following is NOT a recognized method for identifying an equipment grounding conductor?

8. 
What is the maximum number of 14 AWG THHN conductors permitted in a 1/2 inch Trade Size EMT?

9. 
A "Point of Entrance" for a communications cable is defined as the point at which the cable:

10. 
What is the maximum number of disconnects allowed to be grouped in one location for a single service?

11. 
A service is supplied by four sets of 500 kcmil copper conductors in parallel. What is the minimum size copper grounding electrode conductor to a metal water pipe?

12. 
What is the minimum size copper-clad aluminum service-entrance conductor for a 200-ampere, 120/240-volt, 3-wire, single-phase dwelling service?

13. 
What is the voltage drop for a 240V, 1-phase circuit using 10 AWG copper (1.2 ohms/kft) carrying 24A for 150 feet?

14. 
If you have six 8 AWG THHN copper current-carrying conductors in a single raceway in an ambient temperature of 30°C, what is the adjusted ampacity of each conductor?

15. 
A dry-type transformer is rated at 75 kVA, 480V primary to 208V secondary. What is the maximum size for the primary OCPD (standard size) if only primary protection is provided?

16. 
A continuous load on a feeder is calculated at what percentage of its value?

17. 
What is the maximum rating of a cord-and-plug-connected load to a 20-ampere branch circuit that also supplies lighting units?

18. 
A 10-HP, 208-volt, three-phase motor has a nameplate FLC of 30.2A and a service factor of 1.15. What is the maximum setting for the overload protection?

19. 
What is the maximum number of 12 AWG THHN conductors permitted in a 4-inch x 1-1/2 inch square metal box that contains no other devices or fittings?

20. 
Where a service is supplied by 500 kcmil copper conductors, what is the minimum size copper grounding electrode conductor (GEC) to a concrete-encased electrode?

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