The Baby Boomer eMuseum

Science, Technology & Medicine

2-prong ungrounded AC outlets
2-prong AC outlets

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There are 5 comments for this item.

Posted by LoyalTubist at 11:35 am (PST) on Thu March 2, 2017   
Most computers and chargers still use two prong plugs. I remember when I lived overseas I bought a new charger for my computer from a mail order place in the States and I didn't realize it had a three prong plug. The country that I lived in was on a 220 volt/60 Hz current but used the the old two flat prong outlets for which my charger, which worked on any voltage, so I still had to wait to use it as I had to order an adapter to accommodate that.
Posted by Chuck Kopsho at 9:26 pm (PDT) on Sat July 23, 2016   
Either you had to get an adaptor, or you'd have to cut off the grounding prong.
Posted by CJ at 10:21 pm (PST) on Sat January 2, 2016   
I know i wasn't the only one guilty of filing down the plug so it would fit.
Posted by Duff at 1:56 am (PDT) on Wed October 14, 2009   
When did the two prongs become different sizes? That change happened while I wasn't watching. I'm pretty sure our house had two-prong outlets with identical holes, and the first time I encountered a polarized plug, I nearly broke the outlet I was attempting to plug it into.
Posted by Katbear at 10:06 pm (PDT) on Sun August 16, 2009   
Our house still has them. It was built in 1950...

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