What kind of power plug adapter do I need in Argentina and Chile?

I'm going to Argentina and Chile and have a couple of electronic devices I want to charge. I have Swiss plugs consisting of two bolts:
What kind of adapter should I pack for Argentina and Chile?
Best Answer
In Chile, ungrounded plugs are compatible with Europlugs, so you should be able to use the Swiss plug directly. Some sockets only accept grounded plugs, which have a round grounding pin directly between the two round power pins. Apparently similar plugs are used in Italy, but I had never seen an adapter for it before I came to Chile.
I have no recollection of the kind of plugs used in Argentina, even though I was there recently. My packing checklist for that trip says Type I adapter, like for Australia and China. As I had no trouble with charging my equipment, that should have been the correct adapter.
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What type of plug adapter do I need for Argentina?
For Argentina there are two associated plug types, types C and I. Plug type C is the plug which has two round pins and plug type I is the plug which has three flat pins in a triangular pattern. Argentina operates on a 220V supply voltage and 50Hz.What kind of power adapter do I need for Chile?
For Chile there are two associated plug types, types C and L. Plug type C is the plug which has two round pins and type L is the plug which has three round pins. Chile operates on a 220V supply voltage and 50Hz.What kind of plug does Chile use?
Electricity in Chile In Chile the power plugs and sockets are of type C and L. The standard voltage is 220 V and the standard frequency is 50 Hz.Do American plugs work in Argentina?
In Argentina the standard voltage is 220 V and the frequency is 50 Hz. You cannot use your electric appliances in Argentina without a voltage converter, because the standard voltage in Argentina (220 V) is higher than in the United States of America (120 V).TRAVEL ADAPTERS and Power PLUGS explained | World Travel Tips
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Answer 2
Argentina commonly uses dual plugs that fit European and Australian/Chinese plugs. Make sure that you have the Aussie plugs though as not all are dual plugs.
Answer 3
You may want to look into getting one adapter to fit "all." For example: https://www.google.com/search?client=firefox-a&hs=UXU&rls=org.mozilla%3Aen-US%3Aofficial&tbm=shop&sclient=psy-ab&q=multi+country+plug+adapter+sweden&oq=multi+country+plug+adapter+sweden&gs_l=serp.3...4415.4415.0.5067.1.1.0.0.0.0.353.353.3-1.1.0....0...1c.1.32.psy-ab..1.0.0.kesUYbD2_4I&pbx=1
The individual ones can be small and easy to lose. There is some interesting insight here regarding bringing power strips:
Answer 4
The answer is you need a Type C or L adaptor for Chile. Often marketed for use in Italy.
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