Incandescent bulbs have been banned in the United States, but are you able to just install an LED bulb in their place, or do you need an upgrade?

I installed compact-fluorescent and LED bulbs throughout my house. They work well everywhere but not with dimmer switches. The bulbs either dim insufficiently, flicker, or they don't light at all ...

Rules finalized by the Energy Department last year require manufacturers to sell energy-efficient light bulbs, accelerating a longtime industry practice to use compact fluorescent and LED bulbs ...

Rules finalized by the Energy Department last year require manufacturers to sell energy-efficient light bulbs, accelerating a longtime industry practice to use compact fluorescent and LED bulbs ...