The electronic ballast WK-T8-432/IS/120HSC is a green light product, it ... suitable for fluorescent lamps: F17T8,F24 ect. DescriptionThe electronic ballast WK-T8-432/IS/120HSC is a green light product, it ... Open circuit voltage: 600VWARNING:Disconnect power when installing or servicing. WK-T8-432/IS/120HSC 120V 4*F32T8 ballast