Construction Trade Exam Research Area

(7B) Residential Maintenance Electrician

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Washington State
Department of Labor and Industries

7273 Linderson Way SW
Tumwater, WA  98501
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 1
200-225, 280-285 Wiring and Protection 2
240 Overcurrent Protection 2
250 Grounding and Bonding 2
300-398 Wiring Methods 2
400-427, 455-480 Electrical Equipment 2
430-450 Motors, HVAC, Generators and Transformers 1
600-695 Special Equipment 2
700-702 Emergency and Standby Systems 2
Washington Laws and Rules (RCW and WAC) 17
General Trade Knowledge and Theory 3

Total number of test questions: 37
Time allowed (hours): 2.0


Books Allowed in the Exam

1. National Electrical Code (NFPA-70), 2014, NFPA Buy at Amazon
2. Washington Electricians and Electrical Installations, Title 19, Chapter 19.28 RCW Web Page Link
3. Washington Electrical Safety Standards, Administration, and Installation, WAC Chapter 296-46B PDF File Link
Study materials are currently NOT available for this exam

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