High Voltage, Inc.

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High Voltage, Inc. designs and manufactures both standard and custom high‑voltage test equipment together with data‑logging systems. The product portfolio spans very low‑frequency hi‑pot testers, oil testers, ISO phase testers, neutral testers, cable fault locators, surge generators, thumpers and high‑voltage dividers. Hi‑pot testers are offered in portable AC, dielectric AC, and combination DC hi‑pot/megohmmeter configurations. These instruments support high‑voltage proofing, diagnostic evaluation and preventive‑maintenance testing of substation apparatus, aerial lifts, power cables and a broad range of other electrical products. Engineering capabilities include CAD design, fabrication, machining, winding and final assembly. Primary customers comprise utilities and power producers, testing service firms, electrical contractors, motor and transformer repair shops, as well as OEMs of industrial and commercial electrical apparatus. All equipment is produced in the United States.

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