http://hdsupplysolutions.com/shop/product-t8_ballast_sylvania_2_bulb_electronic_high_efficiency_32w_120_277v_88_factor-327774 ; http://hdsupplysolutions.com/wcsstore/B2BDirectStorefrontAssetStore/1_Recode/product/fm/additional/Sy/Sylvania_327774_Wiring_Diagram.pdf