Which light bulbs need a ballast?
3 Pc Light Bulbs CFL Soft White 26W 125 Watt Fluorescent Energy Saving Lighting | eBay
Comparison of Energy-Efficient Bulbs | DelMarFans.com | DelMarFans.com
Xtricity Compact Fluorescent Light Bulb T2 Spiral CFL, 5000k Daylight, 9W (40 Watt Equivalent), 540 Lumens, E26 Medium Base, 120V, UL Listed (Pack of 4) - Amazon.com
G.E. to Phase Out CFL Bulbs - The New York Times
How a CFL Light Bulb Works
Feit Electric 150-Watt Equivalent T4 Spiral Non-Dimmable E26 Base Compact Fluorescent CFL Light Bulb, Daylight 6500K ESL40TN/D - The Home Depot
Step-by-Step Guide to Buying Light Bulbs
Light Bulb Buying Guide: How to Choose LEDs, CFLs - Even WiFi Smart Lights | HGTV
Are Compact Fluorescent Lightbulbs Really Cheaper Over Time? - IEEE Spectrum
New Energy Efficiency Standards for Lightbulbs: What You Need to Know | Department of Energy
Lighting Comparison: LED vs Fluorescent and CFL
LED Fluorescent Tube Replacement: What You Need to Know
Watts The Deal? Demystifying LEDs, CFLs, Halogens And More : NPR
Pros and Cons of Fluorescent Lighting - Dengarden
Compact fluorescent lamp - Wikipedia
LED Light Bulb Buying Guide - The Lightbulb Co. UK
What to do with spent light bulbs | Ramsey County
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5 Different Fluorescent Tube Sizes and How to Choose One
Ikea Eliminates CFL Light Bulbs
Light Bulb Types | HGTV
