... , Aluminum, Aluminum Clad Copper. 2. The size of transformer total in Aluminum is larger than which total in Copper ... and SGS. D. Testing Items: 1. No-load Test(No-load Current, No-load Voltage, No-load Loss) 2. Load Test (Load Voltage, Temperature-rise) 3. Inductive Voltage Test ... System 7. Security Monitor & Control System 8. Comparison on Transformer with Toroidal, EI, R, CD Shape CoreF. Label Info: ...