Choosing the Right Fluorescent Ballast — 1000Bulbs.com Blog
Electrical ballast - Wikipedia
GE UltraMax Proline Electronic Ballast, 120/277 Volt Instant Start Ballast, Normal Ballast Factor, Ballast for Fluorescent Light (1) or (2) Lamp T8, Compatible with F32T8/WM and F17T8 - Electric Plugs - Amazon.com
Amazon.com: MSEURO T8 220-240V AC 2x18 W 2x30 W 2x58 W Wide Voltage Electronic Ballast Fluorescent Lamp Ballasts (Color : 30W) : Tools & Home Improvement
AMAX LIGHTING FC8T9/T5 and FC12T9/T5 120-Volt 6.63 in. Electronic Ballast 2 Lamp HD3222-120A - The Home Depot
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
Osram electronic ballast QTZ8 18W 2*18W T8 fluorescent lamp ballast one for two | eBay
BTA18L31-230 Fluorescent T8 Magnetic Ballast | AAMSCO Lighting
Amazon.com: SOFEA Electronic Ballasts, T8 220-240V AC 2x58W Wide Voltage Electronic Ballast Fluorescent Lamp Ballasts : Everything Else
AMAX LIGHTING 120-Volt 6.31 in. Electronic Ballast 2 Lamps FC8T9/T5 and FC12T9/T5 HD3222-120B - The Home Depot