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As electrical current flows through a conductor, heat is generated. Many electrical defects are accompanied by a rise in temperature for up to several weeks prior to failure. Some defects may be represented as cool components.

Improperly Closed
Air Switch

Load Imbalance
on Bus Duct

Fuse Clips

What Can Be Detected:

  • Loose/deteriorated connections
  • Overloads
  • Imbalanced Loads
  • Open Circuits
  • Inductive Heating
  • Harmonics
  • Defective Equipment


  • Locate problems quickly, without interrupting service
  • Drastically reduce costly, unscheduled power outages
  • Minimize preventive maintenance time and maximize troubleshooting effectiveness
  • Prevent premature failure and extend equipment life
  • Identify potentially dangerous and hazardous equipment
  • Reduce insurance premiums and deductible payments