Terry Yonkheym brings over 28 years experience in training and practical electrical maintenance to Canada Training Group's electrical, safety and high voltage programs. Terry's extensive service record for Ontario Hydro began as a Power Maintenance Electrician Apprentice, progressing through attaining the Inter-Provincial Construction and Maintenance Electrician's license, Journeyperson status and an Industrial Electrician's license. Terry's responsibilities included maintaining transformer station equipment from 6 volts DC to 230,000-volt transformers, through jet engine driven generator units and commissioning equipment for thermal generation plant switchyards, to additional training at the Nuclear Training Centre (Chalk River) on industrial electronics. Terry spent 20 years working with the training department in Orangeville, Ontario, accepting increasing responsibilities until retirement as a training officer. His role included the design, development and delivery of training programs to electrical apprentices and journeyperson electricians. Two of his outstanding achievements include the complete development and delivery of Electrical Troubleshooting and Industrial Electronics, which are both still offered today by Ontario Hydro.


  • Kelly Clarke, TransCanada
    "Terry is very knowledgeable in his field. He provided very good insights and personal experiences to the course. It was a real eye opener to see the personal injury and fatality case studies."
  • Bobby Bartlett, Nabors Canada
    "Terry was a very good instructor. He was very thorough and knowledgeable. He spent lots of one on one time with the students and helped them understand what they were misinterpreting."
  • Teuvo Tuohimaa, Technical Director, General Electric
    "Excellent Presentation"
  • Ben Jansen, Syncrude Canada Ltd.
    “I found the instructor, Terry Yonkheym to be very knowledgeable in the trade and explained everything very clearly.”
  • Derek Bruce, Ainsworth Engineered
    “Terry has excellent working knowledge of troubleshooting steps. He challenges you to find answers and conveys information step by step.”
  • Brandon Hunt, Syncrude
    “Terry was extremely knowledgeable of how the complex electrical systems worked. He was also very knowledgeable of how to troubleshoot a system in very few tests. Also he was very helpful in every question that was asked in the classroom. The course would definitely benefit to any co-worker physically...
  • Sigmond Bush, Liberty Machinery Testing
    “Terry was very descriptive, clear on the content and great at answering questions.”
  • Matt Thompson, DMI Peace River Pulp
    "Terry Yonkheym had a clear understanding and a wealth of knowledge on the subject matter. He managed the time well and covered the information clearly and thoroughly."
  • Ryan Kozubski, Nabors Drilling
    "I really appreciated the instructor, Terry Yonkheym, his experience and patience made this course very enjoyable."
  • Aaron Mohl, Ranger Board
    “Terry was extremely personable as well as knowledgeable. His ability to tailor the faults to the pre-existing skill levels of students, as well as how we progressed, kept things challenging.”
  • Dana Hawryliw, Syncrude Canada Ltd.
    “Terry was very knowledgeable and lots of experience. He was able to give detailed examples of applications. Terry kept things interesting and upbeat, everyone got involved in discussions. A+”
  • Fergal Farrelly, PTI
    "Terry is a very good instructor and has a wealth of knowledge as a tradesman."
  • Jason, Syncrude
    “I found Terry very knowledgeable with both course and troubleshooting in general. He was not too serious. I believe you would be hard pressed to find anyone better to teach this course.”
  • Alain Charron, Syncrude Canada Ltd
    “Dear Dave Smith, Terry is an excellent instructor and is very knowledgeable. Please give him a raise! Great course! Thanks”
  • David Payjack, Ridley Terminals Inc.
    “I found Terry to be an excellent instructor with a vast about of knowledge and experience. I would like to see a version of this course offered to our fellow trades and also the managers so that they have an idea of the dangers we face on a regular basis.”