1. Welkin Electronics, a fast grown-up professional T8(32w) Electronic/Magnetic Liner Fluorescent Ballasts manufacturer in China with 10+ years experience exporting to USA, 120V and 277V, UL and FCC approved, best quality. We have 2-Lamp-T8 (Two or One Lamp Operation) and 4-Lamp-T8 (Four or Three Lamp Operation), They are suitable for lamps such as: F17T8, FB24T8, F25T8, F25T12, FB31T8, F32T8 and F40T8. F32T8 4-Lamp 120V Standard Power Fluorescent Ballast powers 4-lamps: Ballast powers the following T8 Lamps F17T8 17W 24 inch lamp FB24T8 24W 16.5 inch lamp F25T8 25W 36 inch lamp FB31T8 31W 22.5 inch lamp F32T8 32W 48 inch lamp Line Voltage: 120 volts F32T8 Total Harmonic Distortion Rating: