(C-7) Limited Electrical Sign
Apply for the License
Sign & Outline Lighting Licensing Unit
450 Columbus Blvd, Suite 801
Hartford, CT 06103
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (855) 340-3701
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Total number of test questions:
Time allowed (hours):
In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course
Books Allowed in the Exam
National Electrical Code (NFPA-70),[or] The National Electrical Code Handbook, 2014, or 2017, NFPA
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI
Engineering Sign Structures: An Introduction to Analysis and Design, 1998, Benjamin Jones
UL 2161: Standard for Neon Transformers and Power Supplies, Comm 2000
UL 48: Standard for Electric Signs, 15th Edition, 2011, Comm 2000
Additional Recommended Books
Ferm‘s Fast Finder Index, 2017, IAEI
Tom Henry‘s Key Word Index, 2017, Tom Henry
We highly recommend that you purchase one of the reference 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 answers in the code and are far more detailed than the index at the end of the code book.
Ugly‘s Electrical References, 2017, George Hart (also obtained at most Lowe‘s Home Centers)
The book above contains practical applications of the NEC such as Ohm‘s Law, series/parallel circuits, voltage drop, load calculations, motor phases, impediance, inductance and math formulas you are expected to know. The "Basic Knowledge" covered in the exam is assumed and sometimes not listed as a subject. This book also covers subjects listed as "Calculations and Theory".
Available Study Materials
PSI OSHA Selections
Sample questions are based on the PSI publication titled "29 CFR PART 1926 Selections, as of June 2013" (hightlighted in green above).
This file contains approx. 800 sample questions.