Arc discharge Calibration Capacitance Cut off Common Drift Efficiency Electromagnetic Compatibility (EMC) Equivalent circuit Floating Ground (elec.) Heat Dissipation (Cooling techniques) Impedance Input Current Input Power (Input Capacity) Input Voltage Insulation resistance Inrush Current Isolation Leakage Current Line Regulation Load Regulation Overvoltage protection (O.V.P) Power factor Pulse Ramp Rating Relative humidity Remote Controlling Ripple Ripple Noise Rush current Sequence Control Storage Temperature Withstand Voltage Working Temperature