... ,copper/aluminum Ballast, High Pressure Sodium Ballast, High Intensity Discharge Ballast, Magnetic Ballast, Inductive Ballast, Metal Halide BallastYHPS 70-1000W70W,100W,150W,250W,400W,1000W- Main ... .- Material: both copper wire and aluminum wire is available.Lamp Type: High Pressure Sodium LampBallast ModelInput V/HzOperating Current(A)Power Factor cosΦTemp ...