Licensing Exams by Trade Name - Home Link


(C-2D) Low Voltage

Apply for the License
Nevada State Contractor‘s Board
2310 Corporate Circle, Suite 200
Henderson, NV  89074
Phone: (702) 486-1100
Exam Provider
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 205-5827
Exam Type
Exam Content
Subject Areas# of
Sound & Communications5
Services, Feeders, Branch Circuits & Overcurrent Protection5
General Knowledge & Calculations6
Grounding & Bonding4
Power Supplies3
Intrusion Alarm Systems5
Utilization & General Use Equipment1
Raceways & Enclosures1
Total number of test questions:
Time allowed (hours):

This exam may also include questions on the following subjects:

  • Reading and interpreting construction codes and regulations
  • Nevada Health Department regulations
  • Appropriate building codes
  • Trade materials, tools, equipment and methods
  • Nevada Occupational Safety and Health Rules

In addition to the trade-specific examination, you are required to pass the Contractor Management Survey Exam offered by PSI.

Books Allowed in the Exam
National Electrical Code (NFPA-70), [or] National Electrical Code Handbook, 2017, NFPA
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QUESTION:  "What is the difference between the National Electrical Code (NEC) and the Handbook version?".  As far as the actual NEC code quoted in the text... it's the same.

The NEC Handbook has additional diagrams, graphics and explanations inserted into the text (adding more pages and raising the price).  It was designed for engineers and inspectors.  The typical exam candidate should not use it as a preferred reference.

Books NOT Allowed in the Exam
Telecommunications Wiring, 3rd Edition, 2000, Clyde Herrick
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Certified Alarm Technicians Manual - Level 1 (can only be obtained by taking a 22 hour course through ESA National Training. Cost $262)
Web Page Link

NOTICE:  The study materials we are offering for this exam does not included questions from reference #2 above.

Additional Recommended Books

The books listed below are NOT allowed at the exam location

Ferm’s Fast Finder Index, 2017, IAEI
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Tom Henry's Key Word Index, 2017, Tom Henry
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We recommend that you purchase one of the two NEC index books above to study for your exam.  Each book is a comprehensive subject index to the NEC.  They provide an even faster way to look up subjects covered in the exam and are far more detailed than the index at the end of the code book.

Available Study Materials
(C-2D) Low Voltage
Practice Exam

Sample questions are sourced from the National Electrical Code (NEC), Ugly's Reference (2014 & 2017 versions) and Telecommunications Wiring.  A subject category index mapped to question numbers is included with the answer key.

Bookmarks have been added to help the user randomly jump to specific questions related to NEC Articles in the code.

Total number of questions in this package:  1,440

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