Construction Trade Research Area

(07) Non-Residential Maintenance
Specialty Electrician

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Washington State Department of Labor and Industries
P.O. Box 44000
Olympia, WA  98504
Phone: (360) 902-5269
WA Trades & Licensing

Exam Administrator

PSI Services, LLC
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas # of
90 Introduction 1
100-110 General Requirements 2
200-225, 280-285 Wiring and Protection 2
230 Services 3
240 Overcurrent Protection 3
250 Grounding and Bonding 4
300-398 Wiring Methods 5
400-427, 455-480 Electrical Equipment 2
430-450 Motors, HVAC, Generators and Transformers 2
490 Equipment greater then 600 volts 2
500-516 Hazardous Locations 1
517-590 Special Occupancies 1
600-695 Special Equipment 3
700-702 Emergency and Standby Systems 1
705-780 Special Conditions 2
800-830 Communication Systems 1
Washington Laws and Rules (RCW and WAC) 17
Major Load Calculations --
General Trade Knowledge and Theory 5

Total Number of Test Questions: 57
Time Allowed (hours): 3.0


Books Allowed in the Exam

1. National Electrical Code (NFPA-70), 2014, NFPA. Doc Link
2. Electricians and Electrical Installations, Chapter 19.28 RCW. Doc Link
3. Electrical Safety Standards, Administration, and Installation, Chapter 296-46B WAC. Doc Link

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Washington • (07) Non-Residential Maintenance
Specialty Electrician
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Comprehensive Tutorial price More Information
Basic Electrical Calculations Tutorial price More Information
Practice Tests ( 3 ) price More Information Part of Bundle (below)

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Electrical Resource Set (4 discs) price Link to CD description

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