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Incandescent light bulbs are officially banned in the U.S.
(www.digitaljournal.com)
This is a most excellent place for technology news and articles.
You are right that local electricity might be in play. I've lived in the same house for 6 years and I've not had a single light fail. We replaced most bulbs when we moved in because they were mostly CFLs. It's been great. But I wouldn't put it past LED manufacturers, even name brand ones, from cheaping out on the bad power protections.