Roman wrote: >> And, of course, my 100W GE light bulbs always seems to >> go pffffft right when I turn on the light switch. I am >> sure that GE designs the cold resistance of the filaments >> in such as way as to maximize the retirement payoff for >> Jack Welch. > > >Hi Dan, yep Jinx had an excellent chart of bulb >life and voltage. I posted some calcs here a while >back showing that in 240vac countries the 60w globes >get 4x or more the startup current than in 110v countries, >and why adding a 5% volts drop resistor gives almost >infinite bulb life. > Roman, fantastic, so 5% is all it takes? And I wonder - are the guys selling bulbs outside the US mainly subsidiaries of american conglomerates like GE? This would explain a lot. - dan -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body