GE T8 4-Bulb Residential Fluorescent Light Ballast in the Ballasts department at Lowes.com
Electrical ballast 15W 220-240V connection screw clamp for fluorescent lamps, part no. 403192 | gastroparts.com
GE UltraMax Proline Electronic Ballast, 120/277 Volt Instant Start Ballast, Low Power Ballast Factor, Ballast for Fluorescent Light (3) or (2) Lamp T8, Compatible with F32T8/WM and F17T8 - - Amazon.com
Philips Elettronic Ballast 1x58W Standard 158 T8 fluorescent tube
Hidden hazards in fluorescent light ballasts | The RE Store
Easy Fixes for Slow to Start, Flickering or Faulty Fluorescent Tubes