High Voltage, Inc. specializes in high voltage test equipment for utility and industrial applications. We design and produce the most technically advanced and easy to use products for high voltage proof and preventive maintenance testing of electrical apparatus and power cable.

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

We are 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.