About Us

Located in South Central Wisconsin and specializing in stray voltage investigations, AC Electrical Testing is equipped to perform testing nationwide using one of our three mobile electrical testing trailers.  In addition, we offer electrical consulting and inspection services for commercial, industrial, agricultural, and residential applications.   We also incorporate drone (unmanned aircraft) data collection into our testing protocol, and can offer independent drone services with our licensed and insured drone pilot.

Anthony Cook

Stray Voltage Consultant, Electrical Testing Specialist

  • Master Electrician
  • Commercial Electrical Inspector
  • Over 12 years of Experience at an investor-owned utility

    – Utility Distribution Designer
    – System Operator

  • Residential/Commercial/Industrial Wiring Experience
  • Licensed and Insured Drone Pilot
  • Stray Voltage Field Testing Experience
  • Associate of Science in Electronics
  • Bachelor of Science in Technology Management
  • Master of Business Administration
  • Contact us for a complete bio
  • anthony@acelectricaltesting.com

Mark Cook

Senior Stray Voltage Consultant & Electrical Specialist 

  • Stray Voltage Investigator
  • Master Electrician
  • Journeyman Electrician
  • Commercial Electrical Inspector
  • Designer of Engineering Systems – Electrical
  • Experienced Electrical Instructor
  • IEEE 1695 Methods and Procedures Specialist
  • Over 40 Years of Experience in the electrical trade, stray voltage, code compliance, and instruction
  • Former Public Service Commission Utility Regulator
  • Mark Cook Consulting, MCC
  • Technical author
  • Contact us for a complete bio
  • mark@markacook.com 

We have a nationwide network of consultants for support