-110 volt/60 hertz/75 watts max
-current is available in-flight above 10,000 feet only for portable computers/laptops and DVD players.
-One PC power outlet per seat in the following rows for PC power outlets:-Business/World Class: 1-6-World Business Class and Coach Class accepts two and three prong US plugs and most 2 prong European plugs.
-Coach Class: 10-28
I would think they'd want to put this on their web site. Possibly they take the outlet type so much for granted that they didn't think anyone would ever ask.