Edit: Argh!! I described the thing backwards! The straight holes are on top, not the bottom!


In general I see a 5-pin outlet here.

The top two holes are as others have mentioned like a US plug but slanted. There's a center ground hole and then slots below that take US type plugs. (I've got a couple of chargers plugged in right now with no adapter whatsoever.)

It's quite possible to have two things plugged into such an outlet if you have appropriate plugs. Heavy devices always seem to use the bottom 3 holes. I would think a grounded plug using the top 3 could exist but I've never seen it.

The one gotcha I have run into is a safety version. I'm not completely sure how it worked but I found the top holes had a piece of plastic blocking at least the top three holes (I didn't investigate the bottom ones--it was very low to the ground and I couldn't make use of the bottom ones anyway.) that appeared to operate based on a longer pin going into the ground hole (this piece of plastic could be nudged with a carefully-held plug but I couldn't press it far enough to confirm what would happen.) and that causing the others to retract. I didn't have anything suitable to use this with and so I'm not 100% certain.