ElectriSCAN - Switchgear

Switchgear – High, Medium & Low Voltage


Infrared Predictive Maintenance (P/PM)

Infrared thermography is used to perform P/PM inspections on electrical switchgear because excess resistance on electrical apparatus indicates electrical faults such as loose connections, overloaded or imbalanced circuits, faulty breakers, damaged switches, faulty fuses and a wide range of other unwanted electrical conditions.

Before an electrical component burns up, it heats up. Thermography is used to see the excess heat (resistance) so that problems can be found, and maintenance personnel can act to correct the problem before the component fails, causing damage to the component, safety hazards and/or production downtime. By far, the most popular and widely used application of infrared thermography is electrical testing.


Our thermographers inspect electrical switchgear in buildings all over the country. Electrical Infrared is now an integral part of any facility manager's maintenance program. Electrical and mechanical inspections assist with avoiding costly and unnecessary downtime, lost production, unnecessary repairs, and dangerous catastrophic failures.

Electrical Infrared Testing - Switchgear

What Switchgear Should Be Checked?


  • Main 480V Switchgear
  • Uninterruptible power systems
  • Generator controls and transfer switches
  • Main I-Line panels
  • Lighting and receptacle panels
  • Disconnects and combination starters
  • Service disconnects for motors
  • Machine control panels

If you are involved in managing safety, maintenance, or production at your facility, you should be aware that regular infrared (IR) thermographic surveys of your electrical switchgear, distribution system and mechanical equipment are suggested by NFPA 70B for industrial and commercial buildings on a routine basis.

Increasingly, insurance companies are requiring IR surveys of electrical and mechanical systems before writing or renewing policies. We meet and usually exceed any specifications of the insurance companies.

ElectriSCAN - a Service of Stockton Infrared Thermographic Services, Inc. Copyright 2020

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