Choosing the Right Fluorescent Ballast — 1000Bulbs.com Blog
GE Lighting UltraStart Proline Electronic Ballast, 120/277 Volt Program/Rapid Start Ballast, Normal Ballast Factor, Ballast for Fluorescent Light (1) or (2) Lamp T12 - Electric Plugs - Amazon.com
Advance Ballast - Philips Advance Ballasts, making lighting cheaper and efficient: Information, replacements for T5, T8, & T12