2002-06-01 Most do. The US plugs can be two or three pronged. The third prong is the ground.
The reason for the switch was that at 240 V, the loss of power in the lines (I^2R) is reduced to 25 % of that at 120 V. Their thinking was to save energy and oil, which they must import 100 %. BTW, the economy of Korea is doing very well now. John ----- Original Message ----- From: "Wizard of OS" <[EMAIL PROTECTED]> To: "kilopascal" <[EMAIL PROTECTED]>; "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Friday, 2002-05-31 20:11 Subject: Re: [USMA:20260] Re: North korea > this shows who has the best tecnical solution! > > us plugs don't have grounding, do they? > ----- Original Message ----- > From: "kilopascal" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]>; "U.S. Metric Association" <[EMAIL PROTECTED]> > Sent: Friday, May 31, 2002 11:58 PM > Subject: Re: [USMA:20260] Re: North korea > > > > 2002-05-31 > > > > I was in South Korea in the early and mid-90s and as far as I could see, > > despite US influence, they were as metric as Europe. FFU was very foreign > > to them. > > > > In fact, around 1994, they changed their single phase voltage from 120 V > (US > > Norm) to 240 V (Most of the world Norm) and even changed the sockets from > US > > style to German (Schucko) style. This shows whose standards they prefer. > > > > John > > > > > > > > ----- Original Message ----- > > From: "Wizard of OS" <[EMAIL PROTECTED]> > > To: "U.S. Metric Association" <[EMAIL PROTECTED]> > > Sent: Thursday, 2002-05-30 05:59 > > Subject: [USMA:20260] Re: North korea > > > > > > > I'd be interested too! > > > ----- Original Message ----- > > > From: "Louis JOURDAN" <[EMAIL PROTECTED]> > > > To: "U.S. Metric Association" <[EMAIL PROTECTED]> > > > Sent: Thursday, May 30, 2002 9:13 AM > > > Subject: [USMA:20258] North korea > > > > > > > > > > Who has information about metrication in Korea, both North and South ? > > > > > > > > Thanks in advance > > > > > > > > Louis > > > > > > > > > > > > > > > >
