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An AC High Voltage Tester plays a critical role in determining the insulation strength and safety of cables, components, and electrical systems. By applying a controlled high AC voltage, it verifies whether insulation can withstand electrical stress without breakdown or leakage. This process ensures system reliability, operational safety, and industry-standard compliance. Trusted across power plants, laboratories, electrical manufacturing units, and industrial facilities, S.B. Electrotech’s high-voltage testers are built with advanced technology to deliver exceptional precision, durability, and performance.