[TechAssist] Re: 220v: End of Discussion

I usually measure 115/230, and it varies up and down a little during the
day. Didnt point this out before as it added nothing to the topic being
discussed.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "art bevilacqua" <abevilac@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, December 20, 2002 11:44 PM
Subject: [TechAssist] Re: 220v: End of Discussion


>
> Perry, you do not have 220 coming into your house. The nominal United
> States Standard distribution voltage for single phase power is 120/240
> Vac (120 Line to Neutral, 240 Line to Line). Look at the rating on your
> breaker panel, or check your copy of the National Electrical Code to
> confirm this.
>
> If you measure the voltage with your volt meter, you will likely see
> something either less than or greater than 120, the code also specifies
> an allowable range that the utility must stay within.
>
> Many other countries use 200 volt range supplies, here is a site that
> lists many of them, and gives the types of connectors commonly in use.
>
> http://kropla.com/electric2.htm
>
> If you look back at the original question, the person having the problem
> lives in the West Indies. West Indies doesn't appear in the web site
> referenced, but given the popularity of 220 Vac around the world, that's
> probably what he's got.=20
>
> As far as equipment, many devices are able to handle multiple voltages.
> Older equipment, stereos etc, had jumpers to reconfigure the supply
> connection to the primary of the power transformer.
>
> Newer stuff with switching supplies can vary their pulse widths to
> accommodate the higher input voltages. The limit would be the ratings of
> input diodes, caps, etc. but if the manufacture rated his stuff for
> 100-240, he'd have the world licked.
>
> And sure enough, just for laughs, I've just looked at the five monitors
> in my office (1 sceptre, 2 HP's, 1 Panasonic, and 1 NEC) and every one
> of them has an input rating of 100-240 Vac, 50/60 Hz, making them
> saleable throughout the world.
>
> I hope this will solve the mystery once and for all.
>
> Later, art
>
>
> Art Bevilacqua
> Essex Radio and TV
> 40 Main Street
> Essex, MA 01929
> abevilac@xxxxxxxxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Electric Medic
> Sent: Friday, December 20, 2002 10:48 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: 220v
>
>
> Yeah, we have 220 coming to our house, one 110 on one side of breaker
> box,
> and another 110 on the other side. I wired a special 220v outlet to my
> building outside. But in the tens of thousands of TV's that I have
> fixed, I
> have never had any customer that lived in the states say he used 220v on
> his
> TV. I don't know or care what they use overseas. I still can not figure
> out
> why anybody in the states would use 220v on a TV, and how they would
> even
> plug it in. I know the manual says this chassis will work on 220v, but
> why
> in the states? I am still confused about the member that says the CTC187
> works fine on 110v but hums on 220v. I have not seen it answered does he
> live in the states or overseas? Does he have two power cords or are they
> running 220v to a standard 110 outlet. I do not think I saw this
> addressed,
> or I missed many post.
>
> Perry
> Electric Medic
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Jeff Dougherty
> Sent: Friday, December 20, 2002 10:00 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: 220v
>
>
>
> Now wait...don't we all have 220 coming in to our homes now?
> If you have an electric range, it requires 220...two hots and a neutral.
> 110vac is distributed to the rest of the wiring.
> This may be a little off topic for this list, but I still believe it to
> be
> an
> interesting topic...as well as a learning one.
> In-other-words, doesn't the step-down transformer send 220 to our
> panels?
> support@xxxxxxxxxxxxxxxxxx
> FAX 717-564-4952
> Jeff Dougherty
> Intrepid Video & Electronics      Be careful of your thoughts.
> 501 Luther Rd                        They may become your words
> Harrisburg, PA 17111                            any moment.
> 717-909-8844
> VCR tips, electronics info & general interest.
> www.intrepid-video.com www.tech-repair.net
> www.thetoolcaddy.com www.9-11-2001tragedy.com
> ***********************************************************************
>
> ----- Original Message -----
> From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 20, 2002 6:52 AM
> Subject: [TechAssist] Re: 220v
>
>
>
> This really doesn't make economical sense, tri-phase systems in
> residential
> areas??
>
> REALITY: 2 wires provide power, the only difference is the transformer
> setup
> that drops down the power to your home. In the land of 110 our
> transformer
> outputs 220V with a center tap that delivers 2 - 110V supplies or 1 -
> 220V
> supply. (Hey, isn't that sweet....3 supplies in one, eh?).
>
> As for the european 220V supply system......I can only guess, but you do
> not
> have that Center-tap. And I really doubt that the electric company is
> going
> to use 2 wires for power, then strap on a 3rd wire for grounding
> purposes
> (what purpose would that serve, except to reference the metal toaster
> casing
> to your bathtub water??). I'm sure the 220V tranformers have no
> practical
> need for earth ground, since all the electronics would behave as though
> they
> had an "Isolation transformer" on them. (That's the stepdown
> transformer...outside your home).
>
> Personally, I've heard that 110V is more dangerous than 220V......but I
> don't see that as a logical argument...What.....110  has less voltage,
> therefore we enjoy holding onto it longer, thus toasting us, but not the
> europeans????
> If anybody has an answer to why 220 is safer than 110.... I'm listening.
>
> And that TRI-PHASE residential power supply??? Man, that is a load of
> hooey....of course, the government planners weren't reaching into their
> pockets,   so I can assume they tapped into your dad's or grandad's
> wallet??
>
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
> ----- Original Message -----
> From: "Vilhelm Boor" <villyboor@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>;
> <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 20, 2002 8:29 AM
> Subject: [TechAssist] Re: 220v
>
>
> >
> >  Villy Boor
> >   Boorelec Durban
> >   I have to come back with a post script, To get voltage for a TV at
> over
> 200V would require you to use a transformer. I am sure there could be
> other
> methods using odd switching type devices but extremes of design like
> that
> would be nonsense as it would be cheaper to get the correct model. I can
> not
> see where the smoke would be derived if you stuck this on your TV as I
> am at
> a loss as to how you would hook it up.
> > On Fri, 20 Dec 2002 07:59:10
> >
> > --
> >
> > On Fri, 20 Dec 2002 07:59:10
> >  Vilhelm Boor wrote:
> > >
> > >Villy Boor
> > > Boorelec Durban
> > >   I am shocked that I know more about your power supplies in North
> America than seemingly you its residents do. North America works on 110V
> and
> you are stuck with that, tough its not as safe and losses are greater.
> Now
> you have a situation where you wish more voltage, you have to cheat The
> mains supply is 3 phase, it is usual to run a line down a street and try
> to
> balance the power by having house 1 on phase 1 house 2 on phase 2 etc.
> To
> get 220V you have to cheat, you use 2 phases so a plug has 2 live's. But
> why
> in the name of Freddy would we have to do that. Options on the back of
> TVs
> have gone, that requires you have a mains transformer, costs money is a
> no
> no. American TV is only viewable in America and a few other countries,
> the
> rest of us use the PAL system a much later and superior system, it
> follows
> then there is no requirement for your sets to work here or X. No we have
> standard 3 pin plugs (flat Pins pointing at 10 and 2 with an unused
> earth at
> 6) nominal fuse volt
> >  a
> >
> > > ge
> > > is 4A and there is no mystery
> > >--
> > >
> > >On Thu, 19 Dec 2002 21:54:26
> > > Julian Panizo wrote:
> > >>
> > >>In the countries with 220-240 V many sets have the 110 V option via
> switch
> > >>and a few have the voltage change automatic. The household wiring is
> two
> (2)
> > >>conductors, normally one hot and the other neutral, derived from a
> street
> > >>trifasic supply. In a few countries you get in some places 220 and
> others
> > >>110.
> > >>Julian
> > >>
> > >>Julian Panizo
> > >>C.C. 1867 Asunci=F3n  Paraguay
> > >>Phone/Fax 595 21 601913
> > >>panizo@xxxxxxxxxxxxxxx
> > >>----- Original Message -----
> > >>From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
> > >>To: <techassist@xxxxxxxxxxxxx>
> > >>Sent: Thursday, December 19, 2002 8:41 PM
> > >>Subject: [TechAssist] Re: 220v
> > >>
> > >>
> > >>>
> > >>> We STILL have not answered the QUESTION. Does this guys set work
> on
> > >>> 220volts. He said the set worked on 110v but not properly on 220v.
> I
> can
> > >>not
> > >>> believe that the set was designed to work on 220v using the same
> power
> > >>cord
> > >>> that came with the set. Every 220v circuit I have seen here in the
> states
> > >>> has a different cord (larger plug) with two hots. Is this some
> special
> > >>> CTC187AD. I think this is important enough to answer. We all know
> that
> 220
> > >>> has to hots and a neutral, and 110 has one hot and a neutral. I am
> > >>> interested how in the world he is plugging a CTC187 into a 220v
> outlet.
> > >>> Please someone, or the owner of the set EXPLAIN. Everyone that I
> have
> seen
> > >>> will smoke if you apply 220v. This is driving me crazy. Why would
> anyone
> > >>> want to run his set on both 110v and 220v anyway? It seems to me
> if it
> > >>> worked on 110v, that should be good enough. Very confused here in
> Georgia.
> > >>>
> > >>> Perry Bower
> > >>> Electric Medic
> > >>> "It's Cheaper to Keep Her"
> > >>> http://www.electricmedic.com
> > >>> Check out the Electronic Repair Screensaver We created. More
> Images to
> > >>come!
> > >>> To download these Collections you must first install the Eyetide
> Viewer:
> > >>>
> >
> >>http://www.eyetide.com/download/?s=3DO3OfmSLHXygGHCv1W6Gz3Bgjtq3DNNMNdc=
> K
> sYSV
> GC
> > >>> "We're Number One Where it Really Counts, With our Customers"
> > >>> 3850 Washington Road  Suite 5b
> > >>> Martinez, Georgia 30907
> > >>> Phone: 706-8MEDIC4  (863-3424)
> > >>> Phone: 706-863-3474
> > >>> Fax: 706-863-2316
> > >>> mailto:info@xxxxxxxxxxxxxxxxx
> > >>> "WE REPAIR WITH CARE"
> > >>>
> > >>> SERVICE CENTERS PLEASE READ!!
> > >>> 1. Are you currently backed up or over-loaded?
> > >>> 2. Are you short a tech or have one on vacation?
> > >>> 3. Do you need help with a very difficult repair?
> > >>> 4. Would you like to make money jobbing the work out?
> > >>> 5. Would you like to ship out less profitable products so you can
> repair
> > >>> others?
> > >>> If you answered Yes to any of the above questions, Checkout these
> > >>websites:
> > >>> http://www.electricmedic.com/salesa.htm
> > >>> or
> > >>> http://www.electricmedic.com/shipping.htm
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> > >>>
> > >>> Provide Extended care for: AON, Circuit City, GE Contracts, Glass
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> > >>> Philips Contracts, NEW, Rex
> > >>>
> > >>>
> > >>> -----Original Message-----
> > >>> From: techassist-bounce@xxxxxxxxxxxxx
> > >>> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Larry E.
> > >>> Sent: Thursday, December 19, 2002 2:11 PM
> > >>> To: techassist@xxxxxxxxxxxxx
> > >>> Subject: [TechAssist] Re: 220v
> > >>>
> > >>>
> > >>>
> > >>> Tommy, their talking about European tv sets not North American
> > >>> Larry Eastman
> > >>> American TV & Electronics
> > >>> Crystal River, Fl. 34428
> > >>>
> > >>> Hermantvr@xxxxxxxxxxxxx wrote:
> > >>>
> > >>> > Guys...I really don't know what you mean when you talk abut a TV
> using
> > >>> 220v.
> > >>> > On a 120v line you have a hot side and a neutral (0 volts) side.
> On
> a
> > >>240
> > >>> > line you have two hot sides.....believe me it will let the smoke
> out
> of
> > >>> yur
> > >>> > power supply filters.
> > >>> >
> > >>> > Tommy Herman
> > >>> > Herman TV
> > >>> > 250 School Ave SW
> > >>> > Taylorsville  N.C.  28681
> > >>> > 828-632-5322 Voice
> > >>> > 828-632-3880  Fax
> > >>> >
> > >>> > If a TV requires 120 Watts of power, you could power it with
> 120V, 1
> Amp
> > >>> > or 240V, 0.5A.
> > >>> >
> > >>> >
> > >>> > Gary McCartney
> > >>> >
> > >>> > McCartney Electronics
> > >>> > 7134 Fife Rd, RR 7
> > >>> > Guelph Ontario Canada N1H 6J4
> > >>> > Fax: (519)821-1530
> > >>> > email: gary (at) number63.ca
> > >>> >
> > >>> >
> > >>> >
> > >>> >
> > >>> > gulftech@xxxxxxxx wrote:
> > >>> >
> > >>> >>Dear Villy,
> > >>> >>
> > >>> >>Most of us know that formula as P =3D IE.  Since current is
> directly
> > >>> >>proportional to voltage ( I =3D E/R), an increase in voltage
> yields a
> > >>> >>corresponding increase in current with R held constant.  If
> current
> and
> > >>> >>voltage are both doubled, power is increased by a factor of 4.
> > >>> >>
> > >>> >>If I'm wrong, please set me straight.
> > >>> >>
> > >>> >>Regards,
> > >>> >>
> > >>> >>Ken Smith
> > >>> >>Gulf Technical Services
> > >>> >>3034 Gulf Breeze Parkway
> > >>> >>Gulf Breeze, FL  32563
> > >>> >>850-934-8324 (Voice) 850-932-0819 (Fax)
> > >>> >>
> > >>> >>On Thu, 19 Dec 2002 11:03:37  0000 "Vilhelm Boor"
> <villyboor@xxxxxxxxx>
> > >>> >>writes:
> > >>> >>
> > >>> >>>Villy boor
> > >>> >>> Boorelec Durban
> > >>> >>> When I read some of this I am rather surprised, where were
> some of
> > >>> >>>you trained, what happened to Ohms law? Why 2 round prongs.
> Most
> > >>> >>>countries use various combinations of flat pin at various
> angles,
> > >>> >>>Round pins tended to have a bakelite body.
> > >>> >>>  But please remember W=3DIV so the greater V is the less I =
> will
> be
> so
> > >>> >>>cables are lighter, plugs can be smaller and fuses lower I.
> Philips
> > >>> >>>for example make a wide range of TV with an input requirement
> of
> > >>> >>>from 90V to 270V, just plug it in and its working. I am
> sometimes
> > >>> >>>left speechless, this is your subject and livlihood, you must
> know
> > >>> >>>basics.
> > >>> >>>On Wed, 18 Dec 2002 19:43:29
> > >>> >>> teltek2 wrote:
> > >>> >>>
> > >>> >>>>No...Their 220 does not requite a huge plug like your
> dryer..just
> 2
> > >>> >>>>
> > >>> >>>round
> > >>> >>>
> > >>> >
> > >>> > Tommy Herman
> > >>> > Herman TV
> > >>> > 250 School Ave SW
> > >>> > Taylorsville  N.C.  28681
> > >>> > 828-632-5322 Voice
> > >>> > 828-632-3880  Fax
> > >>> > hermantvr@xxxxxxxxxxxxx
> > >>> > ------------------------------------------
> > >>> > Submit A Repair Tip For Everyone Here:
> > >>> > http://www.tech-assist.org/secure/tip/main.html
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> > >>> >
> > >>> >
> > >>> >
> > >>>
> > >>>
> > >>> --
> > >>> Larry Eastman
> > >>> American TV & Electronics
> > >>> Crystal River, Fl.
> > >>> http://www.tvjunkyard.com
> > >>>
> > >>> ------------------------------------------
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