Re: 115 V US plug or 230 V Euro plug on a 100-230 V ITE Equipment Ra ting

[Patrick Lawler]

You should probably include the Philippines on the list as well.
I've heard anecdotal stories about people bringing their US appliances
to the Philippines, only to have them burn out when they plugged the
cord into the 216VAC NEMA wall socket.
Apparently, a common solution is to use a step-down transformer to
feed special sockets (yes, 216VAC NEMA outlets and 127V NEMA outlets
in the same building).

I found a reference at http://www.ita.doc.gov/td/machinery/ecabroad/
mentioning the 125V/216V voltages and sockets, but it doesn't
emphasize the 216VAC/NEMA connection.

On Mon, 16 Apr 2001 08:46:05 -0400, jrbar...@lexmark.com wrote:
>Peter,
>>... a NEMA 5-15P molded-on plug. Of course, unit can be plugged only in a 115 
>>V
>US
>>socket, but manufacturer wishes the 100-230 V rating on the unit.
>
>This is not quite true.  Looking through my file on international supply
>voltages, frequencies, and plugs (which I started assembling in 1990), the
>following nations use the NEMA WD-1 5-15P plug on lower/higher voltages than
>110-120V:
>*  Japan100V 10% 50Hz 0.2%   55 refs
>*  Japan100V 10% 60Hz 0.1%   85 refs
>*  Falkland Islands 230V 2.5%50Hz 3.0%   6 refs
>*  Mexico   127V 10% 60Hz 0.2%   207 refs
>*  Thailand 220V 10% 50Hz 2% 49 refs
>
>When I'm specifying a power supply with an attached NEMA 5-19P plug, I specify
>at least the range
>100-127V +/-10% (90-140V).
>
>"refs" is my shorthand for how many times the data appeared in the following
>sources:
>*  BER1994 = Bergquist Powercords for Your Domestic... , 1994
>*  CAR1989 = Carol Cable Full Line Catalog, 1989
>*  CCE1990 = Component Catalog & Engineering Services, 1990 (plugs? voltages?)
>*  CCE1994 = Component Catalog & Engineering Services, 1994 (plugs? voltages?)
>*  CIL1997 = Country Information & Links, 1997
>*  CPS1997 = Computer Power Solutions, 1997
>*  ECA1984 = Electric Current Abroad, 1984 edition (plugs?)
>*  ECA1991 = Electric Current Abroad, 1991 edition (plugs?)
>*  EDR1990 = Export Designer's Reference & Catalog #6, 1990
>*  EDR1992 = Export Designer's Reference & Catalog #7, 1992
>*  EDR1993 = Export Designer's Reference & Catalog #8, 1993
>*  EE1990  = Exporters' Encyclopedia, 1990/1991
>*  EP1993  = Electrical Plugs an International Survey, 1993
>*  FN1991  = Feller-Neumayer, 1991
>*  IAP1992 = International Adapter Plugs from Stancor, 1992
>*  IBM1980 = Language Translation for Customer & Service Information, 1980
>*  IBM1987 = IBM 4224 Printer Planning and Site Preparation Guide, 1987
>*  IBM1987a= Universal Power Requirement, 1987
>*  IBM1990 = The Following Power Cords ++, 1990
>*  ICS199x = International Cord Sets catalog
>*  LEX1991 = Wheelwriter 15 Series II Typewriter, 1991
>*  ME1995  = Mega Electronics catalog & training booklet, 1995
>*  OPT1991 = Optimizing Power Transformer Voltages ++, 1991
>*  PEC1993 = Pacific Electricord OEM Stock Products, 1993
>*  PEC1993a= Pacific Electricord Custom Design Products, 1993
>*  PPA1997 = Power Plug Adapters, 1997
>*  PS1980  = N-B 2-4700-037 Power Systems, 1980 (voltages?)
>*  PSC1990 = Power Supply Cords & Cord Sets, 1990 (voltages?)
>*  PSEH1992= Power Supply Engineering Handbook, 1992
>*  QE1995  = Quail Electronics 1995/1996 Catalog, 1995 (plugs?)
>*  QE1997  = Quail Electronics International Cord Locator, 1997
>*  SAL1983 = Service Availability List, 1983 (voltages?)
>*  SPP1989 = C-B 2-4700-009 Standard Power Plugs, 1989 (plugs?)
>*  SRIE1997= Solving the Riddle of International Electricity, 1997
>*  VID1991 = "Have Camcorder, Will Travel", Videomaker, July 1991 72-77
>*  WEG1997 = World Electric Guide, 1997
>*  WEPG1997= World Electric Power Guide, 1997
>*  WES1989 = World Electricity Supplies (fifth edition), 1989
>*  WES1996 = World Electricity Supplies, 1996
>*  WNBF1990= Webster's New Book of Facts, 1990
>*  WWS1997 = World-wide Survey (International Configurations, Inc), 1997
>
> John Barnes  Advisory Engineer
> Lexmark International
>
>Peter Merguerian  on 04/12/2001
>05:16:33 AM
>
>Please respond to Peter Merguerian 
>
>
>To:   "\"EMC-PSTC (E-mail)\" <"
>  
>cc:(bcc: John Barnes/Lex/Lexmark)
>Subject:  115 V US plug or 230 V Euro plug on  a 100-230 V ITE Equipment Ra 
>ting
>
>Dear All,
>
>Does anyone see a problem with NRTL Listing of a 100-230 Vac (wide voltage
>range) ITE equipment provided with a non-detachable power cord and a NEMA
>5-15P molded-on plug. Of course, unit can be plugged only in a 115 V US
>socket, but manufacturer wishes the 100-230 V rating on the unit.
>
>Similarly, does anyone see a problem with European Approval of a 100-230 Vac
>(wide voltage range) ITE equipment provided with a non-detachable power cord
>and a Euro plug. Of course, unit can be plugged only in a 230 V socket, but
>manufacturer wishes the

SELV vs ELV

[Dave Wilson]

We've been looking at a PSU which has UL recognition. Our -48V DC CO
equipment has been assessed with respect to being powered from SELV source
and this is stated in our UL report, but now that I've received a copy of
the UL report for the PSU, it states that the output is ELV, not SELV,
because of the connector interfacing the modules to the rack.

The obvious answer is that we can't use it, but what is the practical
reason for not being able to use ELV, given that they're both limited to
below 60V DC and that our equipment is Class I earthed.

Thanks!

Dave Wilson
Alidian Networks Inc.
tel: (408) 273 4787
fax: (408) 273 4800

www.alidian.com



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Re: Odd CE mark...

[Hans Mellberg]

Toy Directive is my guess!!!

Hans

--- David Gelfand  wrote:
> 
> What directive covers this?
> 
> http://www.elderly.com/vintage/items/images/40U/40U-2712_headstock-back.jpg
> 
> David
> 
> 
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__
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Emissions vs Immunity Survey

[MartinJP]

Thanks to all who responded to my question on Class A Emissions/Class B
Immunity.  I would like to do a quantitative analysis of the groups opinion
on this issue.  The follwoing questions require only yes/no answers.
Please do not respond to the group.   If you would like the results of this
survey, please let me know.

Responses from European Bodies are greatly appreciated.

EN 61326 has the traditional Class A and Class B limits for radiated and
line conducted emissions.  EN 61326 has several categories of immunity
limits.  They are as follows:

Minimum immunity
Industrial immunity
Controlled EM environment immunity
Portable test and measurement immunity

In Europe, is a Class A environment always industrial?

In Europe, is there an environment that is Class A, non-industrial, yet
powered by a low voltage network that does not supply power to buildings
used for domestic purposes?

In Europe, are laboratories located in industrial environments or domestic
environments?

Is it acceptable to test to Class A limits for emissions and the minimum
immunity requirements?

Thanks in advance for your responses.

Regards

Joe Martin
EMC/Product Safety Engineer
Applied Biosystems
marti...@appliedbiosystems.com



Does Class A non-industrial environment exist?

Can you have Class A emissions with minimum immunity requirements?

Does Europe have non-industrial low voltage supplies?

Is Class A only for industrial environment?



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Odd CE mark...

[David Gelfand]

What directive covers this?

http://www.elderly.com/vintage/items/images/40U/40U-2712_headstock-back.jpg

David


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RE:

[Gary McInturff]

If you are accredited by the FCC then I assume you have to accept data from
our accredited FCC sites as well, and there is then no requirement to test
in Hong Kong, correct?
Thanks Gary

-Original Message-
From: Patrick Wong [mailto:patrick_w...@hkstc.com]
Sent: Tuesday, April 17, 2001 4:48 PM
To: Tony Reynolds; emc-p...@ieee.org
Subject: Re: 



Dear Tony,

Hong Kong Standards and Testing Centre had been established in Hong Kong for
more than 37 years. The testing for FCC had been available since 1983. The
Electrical and EMC Dept. deal with Electrical Safety as well as EMC and FCC
since the ONLY lab in Hong Kong gain full scope of accreditations for ASTA,
CB, CNACL, CCIBLAC, DAR, HOKLAS and VCCI etc.
With our accreditations we can conduct FCC part 15 and part 18 of FCC also
we can issue TCB cert. via our network partners (4 days turnaround time).
Since we had been accredited with DAR (Germany accreditation body) our
reports, both EMC (Of course including IT products) and LVD, can help you
not only for EU but also to e.g.. Australia.
Please feel free to browse our web site in : www.hkstc.com for details and
please do not hesitate to contact us for any assistant.

Regards

Patrick Wong
EED
HKSTC
- Original Message -
From: "Tony Reynolds" 
To: 
Sent: Tuesday, April 17, 2001 6:58 PM


>
>  Hi,
>
>  Can anyone advise me of an EMC lab in Hong Kong capable of testing to
>  the latest EU and FCC requirements for IT equipment.
>  I already have details of the EMC laboratory at the Hong Kong
>  Productivity Council in Kowloon, but require others.
>
>  Thankyou in advance
>
>  Tony Reynolds
>  Pitney Bowes UK
>
>  Tel +44 (0) 1279 449479
>  Fax +44 (0) 1279 449118
>
>
> ---
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Excess EMC Test Equipment for Sale

[Don Clayton]

The following items are offered at 50% off current 
retail prices:

Emco 3146 Log Periodic Antenna  $1,000
Emco 3104C Bicon Antenna$  800
Emco 6502 Active H-Field Antenna$1,400
EMCO 3825 LISN 25 Amp.  $1,400
EMCO E & H Field Probe set  $  250
Above items will be provided with manuals and
calibration curves.

Don Clayton
ESR Engineering
530-273-8836

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Re: EN Documents

[David Instone]

Probably, but then you might want to 'educate' yourself by reading the
standard!

Definitely my own opinion!

Dick Grobner wrote:
> 
> Doesn't this infringe on "copyright" laws?
> My understanding is - that you can copy a limited number of pages only if it
> is used for educational purposes. I cannot fine my reference document at the
> moment but remember reading this not so long ago.
> 
> -Original Message-
> From: Chris Chileshe [mailto:chris.chile...@ultronics.co.uk]
> Sent: Thursday, April 12, 2001 6:50 AM
> To: emc-p...@majordomo.ieee.org
> Subject: RE: EN Documents
> 
> In addition to what John Woodgate has written below..
> 
> If you are interested in only a *very* small section of the standard, then
> you may
> be able to photocopy a limited number of pages from your public library for
> a fee.
> 
> However, chances are that if the standard is relevant, you will end up
> having to
> buy the whole document anyway.
> 
> You will find the BSI website at http://www.bsi-global.com/index.html
> 
> Regards
> 
> - Chris Chileshe

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Re: European Frequency Allocation Chart

[John Woodgate]

, Peter Kerry
 inimitably wrote:
>John,
>   The much of what you want is available on our web site www.radio.gov.uk 
>. Documents Ra 365 & 339 will be of interest to you. Please note that they are 
>being revised, and the revisions should be available sometime in May. Also 
>doing 
>a European table may be difficult as we do not have fully harmonised spectrum 
>in 
>Europe.
>
Thank you very much.
-- 
Regards, John Woodgate, OOO - Own Opinions Only. Phone +44 (0)1268 747839
Fax +44 (0)1268 777124. http://www.jmwa.demon.co.uk Why not call a vertically-
applied manulo-pedally-operated quasi-planar chernozem-penetrating and 
excavating implement a SPADE?

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RE: Cable systems in a building

[WOODS]

Check  BS 7671, Requirements for Electrical Installations, IEE Wiring
Regulations. This is the electrical code in the UK.

Richard Woods

--
From:  Darren Pearson [SMTP:dar...@genesysibs.com]
Sent:  Wednesday, April 18, 2001 4:39 AM
To:  EMC-PSTC
Subject:  Cable systems in a building

Does any one know what are the requirements for a cable system in a
building are ? especially in the UK.
 
Standards, surge testing, flammability, EMC   etc. 
 
I believe there is a new directive covering this type of thing soon,
can any one do the testing for this ?
 
regards 
Darren Pearson
Radio & Telecom Approval Services
Genesys
Singleton Court, Wonastow Road
Monmouth, NP25 5JA
UK
Tel: +44 1600 710300
Fax: +44 1600 710301
email: dar...@genesysibs.com  
web: www.genesysibs.com  

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Cable systems in a building

[Darren Pearson]

Does any one know what are the requirements for a cable system in a building 
are ? especially in the UK.

Standards, surge testing, flammability, EMC   etc. 

I believe there is a new directive covering this type of thing soon, can any 
one do the testing for this ?

regards 
Darren Pearson
Radio & Telecom Approval Services
Genesys
Singleton Court, Wonastow Road
Monmouth, NP25 5JA
UK
Tel: +44 1600 710300
Fax: +44 1600 710301
email: dar...@genesysibs.com
web: www.genesysibs.com