Product Overview TKKGG-H Series HV/LV Switch Cabinet Test Bench is mainly applied for ex-work energized testing for high voltage and low voltage cabinet manufacturers. The test bench could provide various AC/DC power source in order to detect switch cabinet. Features Reading directly: Digital meters to display current voltage power factor test value. Measuring accurately: High precision test value is accurate. Full protections: Each circuit is with air switch protection. Portable: Small size light weight easy to move.