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Article #15528

Re: 110/220 V AC why ?

#15528
From: Galen Watts
Date: Tue, 29 Dec 1992 19:46
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In article <1hptjfINNdt7@rave.larc.nasa.gov> kludge@grissom.larc.nasa.gov (Scott Dorsey) writes:
>In article <1992Dec29.160117.12068@cbfsb.cb.att.com> medha@cbnewsg.cb.att.com (keshav.havnurkar) writes:
>>Hi
>>  I am curious to know why some countries have 110V AC supply
>>and some 220V AC as their main line voltage ?
>>Any paticular reason for selecting any one number ? Is there
>>any talk of standardizing this like SI syatem of measurement ?
>
>Well, some countries have 240V power, too.  And Japan has 100V.  There
>used to be 136V service in a couple of South American countries, and
>I know there is still 208V service here in the US (coming from a single
>leg of a 240V three-phase line).

For a concise listing of voltages, frequencies, and connectors, look in
the Panel Components Corp. Export Designer's Reference, available from:

	Panel Components Corp.
	po Box 6626
	Santa Rosa, CA 95406-0626
	1-800-662-2290
	1-707-523-0600

Just a quick look shows 16 different connectors (8 in Europe alone),
10 different voltages and two frequencies, both 50 and 60 in Japan.
 
I have found the reference to be very helpful in preparing equipment for
use abroad, and I wonder how I got along without it.

Happy Trails,
Galen Watts
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Message-ID: <Dec29.194620.49225@yuma.ACNS.ColoState.EDU>
Path: arc1-ca.pugleaf.net!sparky!uunet!think.com!ames!purdue!yuma!gw214790
References: <1992Dec29.160117.12068@cbfsb.cb.att.com> <1hptjfINNdt7@rave.larc.nasa.gov>

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From: gw214790@LANCE.ColoState.Edu (Galen Watts)
Subject: Re: 110/220 V AC why ?
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Message-ID: <Dec29.194620.49225@yuma.ACNS.ColoState.EDU>
Date: Tue, 29 Dec 1992 19:46:20 GMT
References: <1992Dec29.160117.12068@cbfsb.cb.att.com> <1hptjfINNdt7@rave.larc.nasa.gov>
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