Duane P. Johnson - PhD, PE
Electrical Expert, Inc.


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Electrical Engineer

Dr. Johnson has over 30 years experience in the investigation and prevention of electrical and mechanical failures including malfunctions, power outages, electrical shock, arcing faults and fires of electrical origin.  

His consulting services include on-site inspection, laboratory investigation, failure analysis, mitigation recommendations and expert testimony.  He has a unique talent as an expert witness, able to read the physical evidence and clearly describe the failure cause.

Dr. Johnson can help improve the reliability and safety of your facility or product.  His services include design reviews and coordination studies. 

Located near Sacramento, Dr. Johnson is a registered Professional Electrical Engineer in the state of California.  He serves the western United States.    

 Fast and Effective Investigations
Scientific  Analysis

  Clear and Concise Testimony

Duane P Johnson - Electrical Expert, Inc.
7565 Locomotive Ln
Roseville, CA 95747
(916) 778-8047


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