... magnetic ballast is use aluminum wire and silicon steel, for T8 lighting, and grant CE certification SDAW-I magnetic ballast for fluorescent lamp fixtures. Inductive ballast ... energy consumption.2, With advantages including stable performance, low magnetic leakage, without noise, energy saving etc3, With long using ... .5X17.5Product size: .. SDAW-I 36W 033 Magnetic ballast for fluorescent lamp fixtures