I've taken apart a few power strips from TrippLite and others (quality names) 
that were rated >1000J capacity (2400J is not uncommon). They had only a few 
MOVs (6 in one case comes to mind, divided 2-2-2 hot-neutral-gnd) and not much 
else (I think a few caps and inductors in an isolated one).

Well, looking at MOVs from various suppliers, they are all rated <100J (10, 17, 
20, .., 70), and if one goes higher, they become modules and are almost as much 
as the power strip $ for one! Are these strip ratings a total for all MOVs 
inside, rather than one leg? Even then it wouldn't seem to add up...  And where 
does one find these bigger components that look like the smaller ones? ;)

And I should ask, if this is a numbers game by marketing, what would be a good 
way to size these things for various devices and currents if designing a strip 
(using engineering, not marketing)?

Thanks,
Skip
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