Andre,
German deviations to 950, requires the service markings and instructions to be
in German also.
Peter
Andre Boons andrebo...@hotmail.com wrote:
Hi,
If a manufacturer is required to put information on the label of his
product, it must be in a language that is acceptable for the user
All,
Thought I should let the group know that IECEE CB Scheme accredited test
labs can now officially issue CB Certificates and test reports to IEC
60950:1999 (3rd Edition) including Australian deviations. Previously, CB
Certificates and reports could only officially include Australian
You can find all sorts of different transformer configurations. The magnetics
vendors have technical stuff that often knows what is good and in which
application, yet they also sell what they know isn't technically very good.
The
reason is that oftentimes customers require a specific
You can find all sorts of different transformer configurations. The magnetics
vendors have technical stuff that often knows what is good and in which
application, yet they also sell what they know isn't technically very good.
The
reason is that oftentimes customers require a specific
Hi,
If a manufacturer is required to put information on the label of his
product, it must be in a language that is acceptable for the user in the
country where the product is put on the market.
If the above product consists of a certain part that can be replaced during
service operations
What is needed is the I squared t rating of the breaker. Then the (I^2)(t)
rating of the PCB. Then you know if the PCB can take it.
Dave Cuthbert
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Monday, February 03, 2003 4:15 PM
To: emc-p...@majordomo.ieee.org
Subject: EN60950
-Original Message-
From: Ravinder Ajmani [mailto:ajm...@us.ibm.com]
Sent: Monday, February 03, 2003 12:55 PM
To: emc-p...@majordomo.ieee.org
Subject: Re: red tape
Red Tape is a very common term used for describing the bureaucracy of
Government of India (perhaps a legacy from British).
Greetings All,
Variants of the CE marking question have been raised before, so here's another
one or two.
Does the CE mark have to be located near other information such has company
name/trade mark, product name/model number or electrical ratings? Or can it
stand alone without such
I read in !emc-pstc that cnew...@xycom.com wrote (in 85256CC2.005F2DA4.
0...@notes.fw.xycom.com) about 'EN60950 protective conductor test (was
Re: Circuit Breaker Tripping Dring Fault Tests)' on Mon, 3 Feb
2003:
My UL guy tells me that I should expect the typical service type CB to be
rated
I read in !emc-pstc that Georgerian, Richard RGeorgerian@carrieraccess.
com wrote (in CA24DEAE7DA1D611B69C0060CF20550F01455B6C@newman.carriera
ccess.com) about 'CE marking and additional information requirements'
on Mon, 3 Feb 2003:
Does the CE mark have to be located near other information
I read in !emc-pstc that neve...@attbi.com wrote (in 200302032124.h13LO
ik28...@orion2.ieee.org) about 'rj45 with integrated magnetics..' on
Mon, 3 Feb 2003:
If you can get access to it, see Broadcom application note 10/100 and Gbit
PHYs, EMC Design Guidelines. You'd need a password from your
I have a client with an application which involves the application of
between 2 and 6kV at frequencies in the range 10 - 100kHz and power
in the low kW range.
I'm afraid I'm not allowed to tell you exactly what this equipment
does, but this is equipment for which there appear to be no
I read in !emc-pstc that Ted Rook t...@crestaudio.com wrote (in
se3e96c7@peavey.com) about 'red tape and European voltage
harmonization' on Mon, 3 Feb 2003:
In the UK your equipment will be connected to 240V and will be expected to
work
to specification.
The upper limit should be 230 + 10%
The magnetics are made up of both a 1 to 1 isolation xformer and a cm choke. I
just stared at a schematic and I don't know if its an error, a single part or
generic, but for this one part the common mode choke was on the cable side for
the TX lines and on the IC side for the RX lines. I have never
Can anyone point me to the tables in the annex of Decision 97/129, the ID
system for packaging covered by 94/62/EC? I can find the text, but not the
tables which presumably detail the numbering system.
Thanks,
Dave Wilson
_
Do you Yahoo!?
Yahoo! Mail Plus
Does the old UK red-black-green colour code still exist anywhere I wonder?
India, Australia and South Africa the old Empire maybe?
There have been several requests here recently for guidance on the European
230V standardisation.
For non-Brits it may amuse you to know I can recall the
Red Tape is a very common term used for describing the bureaucracy of
Government of India (perhaps a legacy from British). Delays and inaction
by Indian bureaucracy have often been blamed to the Red Tape in the
government offices (which signifies a cloth ribbon tied around a file
folder to
Hello Muhammad,
Sorry for the little lengthy reply, but it is one of the most important
considerations when designing Ethernet front end - I tried to summarize it.
First you need to consider what kind of PHY driver you use. Some PHYs
transmitters are supplied from the center taps (CT), some
I've had extensive discussion with UL regarding the
performance of this test. Below are my comments, taken from
these discussions.
-Original Message-
From: Carl Newton
Sent: Monday, February 03, 2003 9:20 AM
1. Three samples are tested;
Intended to demonstrate repeatability of
The form that is mentioned below is FCC Form 740. If you go to
http://www.fcc.gov/ and type FCC Form 740 in the search box. the first
item that comes up its the form. the second Item is a public notice
pertaining to the form
We just ran into this issue with one of our products that was
I read in !emc-pstc that Ted Rook t...@crestaudio.com wrote (in
se3e406c@peavey.com) about 'red tape' on Mon, 3 Feb 2003:
red tape is an obstruction to progress while formal procedures are completed.
OTOH, it's what I put over exposed mains connections while working on a
piece of equipment
In a message dated 2/3/2003, Muhammad writes:
Also, I would appreciate if someone could point me to a document where I could
find rules/factors to consider while selecting a jack with integrated
magnetics.
Hi Muhammad:
One thing to watch out for with integrated magnetics is that some of
Lou,
It's my impression that the typical switching power supply, such as
that used for ITE type equipment, will apply basic insulation between
the primary circuits and earthed conductive parts on the primary side.
They do this in order to minimize the creepage/clearance requirements
and
Carl, If the primary supply circuitry and components provide double or
reinforced insulation, nothing can become live in the event of a single
fault, the test becomes unnecessary, and I would argue that fact.
If the design does not provide double or reinforced insulation, the test
sounds
We have a customer that is writing a specification to purchase gauges that is
out of our rhelm of expertise.
They need to know what MIL spec pertains to vibration and media pulsation
testing of pressure gauges.
They have also asked to know the scope of that particular spec. (or
Here is a question for you Gurus..
I was looked at a few different rj45 with integrated magnetics. While all of
them were different in some respect, I found two major categories - one with
common mode choke on the chip (IC) side while others with common mode choke on
the cable side. My
This is a multi-part message in MIME format.
Failed to attach the file.
jgs
Jim Sketoe
M/C S106-3050
(314)232-4782 (Voice)
(314)232-7391 (Fax)
From: Gordon,Ian [mailto:ian.gor...@edwards.boc.com]
Sent: Thursday, January 23, 2003 9:15 AM
To: 'IEEE EMC-PSTC GROUP'
Subject: CALIBRATION
This sounds much like what I call Rubens Coil. The attached Word doc
describes the unit.
Mr. Rubens deserves the credit.
jgs
Jim Sketoe
M/C S106-3050
(314)232-4782 (Voice)
(314)232-7391 (Fax)
From: Gordon,Ian [mailto:ian.gor...@edwards.boc.com]
Sent: Thursday, January 23, 2003 9:15 AM
To:
Don,
Every now and then I get something stuck in US customs. Typically the agent
will supply a form for FCC or CDRH compliance depending what is hung and the
reason. If you fill out the paperwork the shipment proceeds. If I find a
copy of the form here I will scan it in and send it to you
English colloquialism
'red tape' is found in large quantities in organizations which have the power
to approve or impede the work of others.
originally: the legal papers used in courts of justice are closed with a piece
of red material
so by implication
red tape is an obstruction to progress
Has anyone actually tried it? What are your experiences?
What do non-EU countries think about it?
This message is from the IEEE EMC Society Product Safety
Technical Committee emc-pstc discussion list.
Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/
To cancel your
-Original Message-
From: Rich Nute [mailto:ri...@sdd.hp.com]
Sent: Friday, January 31, 2003 4:17 PM
To: j...@jmwa.demon.co.uk
Cc: emc-p...@majordomo.ieee.org
Subject: Re: single fault conditions
Hi John:
For example, at a previous employer, I observed several
instances of
I also recommend reading this guide.
http://europa.eu.int/comm/enterprise/ne
approach/legislation/guide/legislation.htm
See section 3 concerning private branded products.
Richard Woods
Sensormatic Electronics
Tyco International
From: WOODS, RICHARD
Sent: Friday, January 31, 2003 1:43
This thread has been interesting. I am, at this moment, considering a design
where I am almost forced to use a PC (printed circuit) trace for Earth ground.
It seems funny to me that most equipment has been historically made with 18AWG
protective ground pigtail wires; and 25A ground fault tests
With reference to the Fluke Application Note suggested by Rich and
commented on by John.
All I get on visiting the site is 404 Page not found error on their
home page. Access to all other pages seems to be ok. Using their search
engine facility does not seem to find anything with respect to
I support both John's opinions.
I don't want PC traces for PE circuits outlawed in the standards because
there may be some valid reason to do that, but I have never come across it
in ITE or domestic appliances.
Based on my experience all mains circuits are provided with double or
reinforced
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