Technical Services

Commonwealth Electric of the Midwest has a top quality technical services team to keep your systems operating efficiently and consistently, right from the start.

technical servicesLimited Energy Systems

We install structured cabling systems, including copper and fiber optics for: voice, data and video Communications, local, metropolitan, and wide area networks, security and surveillance, fire alarm and Pro logic control systems (PLC).

Our new Fusion-splicer and OTDR now gives us fiber optic cable maintenance, repair, and testing capabilities that far exceed any of our competition.  We not only install – we design, test, expand, troubleshoot, maintain, and upgrade your system to provide you continuing, quality service. Our rigorous preventive maintenance program included: infrared scanning to detect areas that need service, helpful follow-up photos, and thorough reports.

We can provide power quality assessment that encompasses power factor and energy demand monitoring as well as harmonic distortion testing. And we can service high-voltage circuit breakers, switchgear, transformers, protective relays, cable and metering.

Emergency Systems

We also have crews who specialize in the installation of uninterruptable power systems (UPS). And our service people will perform the testing, maintenance, and repairs that will keep your present generator or battery UPS operating and dependable. Whether it’s a new installation or an existing system, let Commonwealth Electric of the Midwest take care of it. Give us a call when you want experienced, expert technical service. We can save you time, money and worry.


  • Infrared scanning
  • Circuit breaker primary current injections testing
  • Transformer power factor, turns ratio and oil testing
  • Power quality analysis
  • Relay coordination
  • Cable testing
  • Arc flash studies
  • Fault current studies

News Archives