High Voltage

The New Worldwide Standard for High Voltage Test Equipment.


High Voltage, Inc. (HVI, an ISO 9001: 2008 company) specializes in high voltage test equipment for utility and industrial applications. They design and manufacture the most technically advanced and easy to use products for high voltage proof and preventive maintenance testing of electrical apparatus and power cable.

HVI’s new generation of test equipment offers superior specifications and many benefits over the competition. The products are generally less expensive, smaller, lighter and incorporate significant design, specification, and operational advantages over all others.

HVI is the market leader in Very Low Frequency (VLF) AC Hipot technology, used for field testing power cable and rotating machinery with AC voltage. Utilities worldwide are turning to VLF AC cable testing since the introduction of our patented VLF products.

High Voltage Products Include:

  • AC Hipots
  • AC Dielectric Test Sets
  • DC Hipots
  • Oil Dielectric Testers
  • Aerial Lift & Bucket Truck Testers
  • Cable Fault Locators
  • Surge Generators
  • TDR
  • VLF Hipots
  • Tan Delta
  • HV Divider.

Visit H V I’s Website