Manufacturer of CFLs with replaceable bulbs?
bulbs where the lamp and ballast are detachable?
I ask because all fluorescent bulbs up until CFL
had a magnetic or electronic ballast driving them, but that
ballast was fixed. The bulb was removeable and can be easily
replaced. The ballasts stay put and normally for lasts years or even decades!
Nowadays, throwing away or recycling a CFL bulb means you not only get
rid of the lamp (the glass tube) but also the ballast (in the thick white base) that drives
it, which may not be old, damaged, or in need of replacement.
It is a big waste.
(Years ago I used to work for Advance Transformer, a division of
Philips Lighting, hence the knowledge of ballasts
and fluorescent lighting engineering)
Answer:
Yes they do. I seen some installed on a job I was on. The may have been Thorn. But this wasn't a domestic, try all the major lighting manufactures I sure they all will do them.
CFLs are often designed to replace incandescent bulbs directly. In that application, they need to be self contained and easy to use. You might want to mess with a 2 piece unit, most people don't. And fitting it into the space might be difficult.
There are many CFL specific light fixtures, such as floor lamps, where the bulb and ballast are separate.
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