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High Voltage Inc.


High Voltage, Inc. specializes in the design and manufacture of high voltage test equipment used worldwide by utilities, testing service companies, electrical contractors, large industrials, and electrical apparatus OEMs. HVI produces the most technically advanced, most portable, and easiest to use products for high voltage proof, diagnostic evaluation, and preventive maintenance testing of electrical substation apparatus, aerial lifts, power cable, and other products designed to operate under medium or high voltage conditions.

  • High Voltage Test Equipment
  • Thumpers & Hipots
  • Cable Fault Locators
  • Dielectric Test Sets

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