Heathcliff wrote:
[...]
OK you sound like you have a pretty good handle on how these work.
What I want to know is, if they're in series (which sounds right since
if you remove a bulb, the whole string or whole section goes out) how
come if one burns out, the rest stay lit? (Which they advertise on the
box.) -- H

Google could be your friend:
http://www.rain.org/~mkummel/stumpers/07jan00a.html

--
Grandpa