Serving the Power Industry Since 1980
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Electro-Test and

Maintenance, Inc.

P.O. Box 1527

Rapid City, SD

605-787-4688

Substation Testing & Maintenance

ETMI can assist in designing a preventitive maintenance program to fit your needs and requirements.

    Expertise in All Types of Equipment

  • Power Transformers
  • Power Transformers
  • Load Tap Changers
  • Reclosers
  • Voltage Regulators
  • Circuit Switchers
  • Switchgear
  • Protective Relays
  • Power Circuit Breakers
  • Fuse Testing
  • Ground Mat Testing
  • Battery Systems Testing

    Services

  • Visual Inspection
  • Infrared Thermography
  • Oil Analysis – DGA & Liquid Screen by Doble Materials Laboratory
  • Doble Insulation Testing
  • SF6 gas handling capabilities
  • Cable Testing
  • Complete Oil Handling Capabilities