20 recess ceiling light bulbs

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I have CF bulbs base down, in torchiere-style lamps. the bases still get hot, anf the plastic will yellow from the heat, and they are completely exposed, so any heat generated will go up.

Now, take those bulbs, turn them upside down, and put them in a recessed can, surrounded by 15" of insulation in an attic................ You guess what is next.

For one thing, make sure any bulb you get is built for base up use.