... purity Technique of production:friction welding... High Voltage Test System for Power Cable 50KVProduct DescriptionAC testing ... test reports. In addition, the product has features as follows:1. Data of current, voltage, ... protective resistor connected outside.Technical parameters:1. Output voltage ratings: 30KV, 40KV, 50KV, 60KV, 70KV, ... 3437× 24× 3925+4512A High Voltage Test System for Power Cable 50KV