Don Klipstein wrote:


Now another idea: Compact fluorescents often do not do well in
bathrooms often used for short trips - unless they are cold cathode! And
cold cathode ones are dimmable.

Are all dimable CFLs cold cathode?

Roughly what happens to CFL efficiency as they are dimmed?

Dimable linear tube fluorescent balasts, IIRC, have a maintained hot
lead to power the filaments. What happens to efficiency as they are dimmed?

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You should write a book. In effect, you probably have.

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