HIGH VOLTAGE, INC. (HVI) produces market-leading high voltage test equipment for proof testing, diagnostic evaluation, and preventive maintenance testing of electrical cables and apparatus designed to operate under medium to high voltage conditions. From transformer and control circuit design, component manufacturing, to assembly, testing, and shipment, we maintain quality control so that you can trust our products and receive expert help in selecting or servicing equipment.

Our products are used for testing:

• MV/HV cable
• Cable faults
• Utility substation apparatus
• Aerial lifts
• Motors and generators
• Other high voltage electrical products used for generation, transmission, and distribution of electricity