IET is a full service electrical testing and engineering company that can handle your diverse requirements. We are an Ohio authorized engineering firm with an on staff PE.

We provide testing, maintenance, acceptance testing, power monitoring and electrical engineering services as well as trouble shooting problems in high voltage substations. We also do relay testing, field commissioning, leak repairs, bushing replacements and can perform vacuum fills as well as dehydration and acid control on oil filled power transformers.

IET has both test equipment and oil handling capability to deal with the complete scope of projects. We also partner with other testing organizations to provide coverage on larger projects or shut downs.


Equipment Testing and Service on:

  • Transformers
  • Circuit Breakers
  • Load Tap Changers
  • Protective Relaying
  • Current Transformers
  • Ground Testing & Design
  • High current Test Injection
  • Cable High Potential Tests
  • Battery tests and associated supporting tests