Do not know why bonding materials/construction would not be in the scoped
safety standard. My typical refs for reliable bonding construction
requirements/suggestions are:
1. scoped safety standard for the equipment and/or end-use installation.
2. CSA design manual for the scoped standard(s).
3.
Anyone on the 1699 STP?
Am attempting to determine status of UL1699B. Silence since approx May 2011,
and next NEC will probably include both serial and parallel arc detect in
article 690.
And as typical, the assigned engineer from a well-known 'non-profit'
organization will not answer any
] On Behalf Of Brian
Oconnell
Sent: Thursday, December 13, 2012 3:57 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: UL 1699B where art thou
Anyone on the 1699 STP?
Am attempting to determine status of UL1699B. Silence since approx May 2011,
and next NEC will probably include both serial and parallel arc
+1.970.492.2065 Direct
+1.970.407.5872 Fax
+1.541.312.3832 Main
scott.ald...@aei.com
1625 Sharp Point Drive
Fort Collins, CO 80525
www.advanced-energy.com/solarenergy
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Brian
Oconnell
Sent: Thursday, December 13
Direct hit, Mr Woodgate. That was point of purpose of my OP.
This is not the typical recall of cheap consumer goods from an Asian
manufacturer. These people generally know how to design and make safe stuff.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On
I suppose that is more professional and demonstrative than my typical quote
from Bugs Bunny, Three Stooges, or Monty Python.
Perhaps someone can write a 'Compliance for Idiots and Managers' book?
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
The CPSC has issued a re-call for this Dual-Voltage unit for causing fires
at 220V www.cpsc.gov/cpscpub/prerel/prhtml13/13022.html. But the rating
label indicates an input rating of '100-240'. Also looks like the unit is
Class II construction, and that each component is individually powered.
Label
Rated by test certificate and CB report, or by the sales dept-infected spec
sheet?
That is, what is the rating on the unit's label?
You can configure most variacs to provide well above the input voltage, but
this may do strange stuff to the source impendence. Use a really really
really big
Have you looked at EN60439-1? Shows on first page of the galactic emperor's
search engine.
UL508 and UL508A are not safety standards for enclosures. For NEC and ANSI,
there is no single standard for enclosure construction, other than for IP
stuff. Note UL1773, UL2017, UL60950, etc. That is,
|
Regulatory Compliance Engineering
From: Brian Oconnell oconne...@tamuracorp.com
To: EMC-PSTC@LISTSERV.IEEE.ORG,
Date: 12/03/2012 08:55 AM
Subject: Re: [PSES] IEC 60601-1-2 autoranging supplies
Rated by test certificate and CB report, or by the sales dept-infected spec
sheet?
That is, what
NEMA standard 250.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Kunde, Brian
Sent: Monday, December 03, 2012 11:21 AM
To: emc-p...@ieee.org
Subject: RE: Empty electrical enclosures in Europe
I admit I don’t know much about this topic, but
Did you see this [emphasis is mine]?
Disclaimer
This information is an interpretation of the Regulations (EC) No. 1907/2006
and / or (EC) No.
1272/2008 by the Federal Institute for Occupational Safety and Health. It
has been drawn up with the
greatest possible care and is based on sound
Must strive to remove lawyers from this process. What is the INTENDED
purpose of the REACH directive? To prevent bad stuff from entering your
common market? To control concentrations of bad stuff in equipment that will
eventually go to a landfill? To control exposure to bad stuff outside of a
Thank you sir, for this most unkind news.
So we have formal report and data requirements, but no approved test method.
The European regulators really need to get a life...
So what will happen to EN62321 and IEC62476?
Brian
-Original Message-
From: emc-p...@ieee.org
KLA-Tencor
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Tuesday, November 27, 2012 1:10 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] RoHS2 - Harm. Std List in OJ
Thank you sir, for this most unkind news.
So we have formal report and data
Do not necessarily disagree, but there are some problems. Am guessing that this
is referencing 29CFR1910.303. Also have this excerpt from an OSHA memo in my
database:
The testing standard will typically specify how the product is to be marked or
labeled and what instructions for installation
The U.S. and Canada both have 'Fair Use' (wikipedia.org/wiki/Fair_use)
allowance of copyrighted material. While the four conditions of Fair Use
disallow for-profit activity, the poster of an excerpt from an EMC standard
does not benefit and has purchased a copy. As for the U.K. and other such
RoHS 2 is not even effective and there are still changes. Was just about to
purchase EN62321:2009 when noted that, according to EN50581, it will be
replaced by -x series.
Upon further examination, find EN62321-3-1 is for screening. Suppose that it
is too much to expect that this is a
, November 14, 2012 12:02 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] VTM-2 Rated Film - Proper Electrical Barrier
From: Brian Oconnell
Sent: Tuesday, November 13, 2012 15:28
OHSA allows the recognized lab use of 'engineering
judgment' and reference to corporate policy for
acceptance
Subject: Re: [PSES] VTM-2 Rated Film - Proper Electrical Barrier
Yes, but what is the airspeed of an unladen swallow?
The Other Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Brian
Oconnell
Sent: Wednesday, November 14, 2012 3:30 PM
To: EMC-PSTC
In either case, the NRTL owes you an engineering rationale for their claim of
noncompliance. Because Mama said so doesn’t fly.
OHSA allows the recognized lab use of 'engineering judgment' and reference to
corporate policy for acceptance or rejection of construction. And various
instances of
The requirement to duplicate version numbers for hardware to software
releases is an internal corporate decision, where the only relevance for
compliance is that the character string used for the version number be
identifiable and unique. Over the years MS, Apple, Cisco, etc have published
Did anyone reply? How about a socratarian reply (a la Gary Tornquist)?
For 'safety' relay - do you need EN954 conformity? Is there an implied
requirement for a lock-out/positive power control function?
SSRs are easy to use, but can be leaky. Is that an issue?
Current interrupt devices can be
The NRTL assessment engineer must provide specific requirements via
normative clauses of the scoped standard, or a formal corporate policy that
has been published. If this person will not or cannot, immediately contact
the agency's technical authority for the scope of your equipment. The OSHA
NRTL
As an employee of a power company, am very 'sensitive' to control of
procurement process. Build to print is not a big issue, but component
procurement has always been a concern. Have just returned from some of
employer's Asia factories where a considerable amount of time was spent
going through
components
were left out.
I cannot believe this is ignorance of the problem. This is pure fraud.
Over 100 dBuV output signal between 150 and 1500 kHz !!
Gert Gremmen
Ce-test, qualified testing
-Oorspronkelijk bericht-
Van: emc-p...@ieee.org [mailto:emc-p...@ieee.org] Namens Brian Oconnell
Enameled wire probably does not meet the requirements IEC60950-1, 2.5.10 for
BI or RI. Even the Polyurethane/polyamide multiple builds for the MW1000
stuff cannot be considered BI.
Hint: look at stuff from Furukawa and Rubadue, and wire having UL2353 and/or
IEC60950-1 Annex U certification. And
of my problem is that the hose is a
non-homogeneous product, so we're trying to apply VW-1 from UL 1581, which
all agencies are heistant to apply to a non-cabling product.
Thanks,
-Ken
On Mon, Oct 22, 2012 at 3:57 PM, Brian Oconnell oconne...@tamuracorp.com
wrote:
PSEN Vol3 No4, Dec 2007
Assesment standard not specified.
answer = No - per UL508 and/or UL60950-1, film-coated wire is considered to
be an uninsulated live part.
Can be considered 'Functional' insulation only where the particular standard
or building code allows that construction, and the term has been defined.
Brian
PSEN Vol3 No4, Dec 2007
Check PAGs and CTL notices.
And your corporate name-sake should have some internal docs on this
construction.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of IBM Ken
Sent: Monday, October 22, 2012 12:32 PM
To:
product - DC/DC converter module
scope - IEC62109-1/UL1741, installed inside combiner box
electrical - 200V to 1000Vdc, floating or grounded input; floating or
grounded isolated output.
61000-6-1 indicates 61000-4-2 for ESD, and has a test methods for ungrounded
equipment.
Questions
1. Has any
There is a JIS C 61000-3-2:2011 listed as an approved NVLAP test standard.
And I have a VDE-issued EN61000-3-2:2011-06, based on
IEC61000-3-2:2005+A1:2008+A2:2009+BugsBunny
Probably a typo. But one never knows what lurks in the shadows of EMC
standards.
Brian
-Original Message-
From:
Line to neutral for mains-connected Class I equipment. Line to line for
3-phase equipment.
There are additional requirments for Class II equipment.
In Texas, opposite polarity represents the different sections serving beer
and wine.
Brian
-Original Message-
From: emc-p...@ieee.org
In general, consideration of 'external influences' is defined in 60364-5-51.
In particular, note clauses 9, 19 and 23 of 61558-x. Level of touch
protection required depends on the IP rating of the component or equipment,
and intended end-use of equipment. Remember that peanut butter is not an
.
Boss more better happy?
Brian
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Wednesday, September 19, 2012 10:16 AM
To: 'EMC-PSTC@LISTSERV.IEEE.ORG'
Subject: RE: Transformer Terminals
In general, consideration of 'external influences' is defined in 60364-5
Requirements added for documentation and training per Hazards Communication
Standard. Mostly to harmonize with international stuff. For your viewing
pleasure:
osha.gov/dsg/hazcom/index.html
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Michael
Sales says that customers routinely install PV strings with no ground
reference. Which means, unless there is an inverter that connects to
utility, all is floated.
Considering this electrical configuration, would appreciate recommendations
for surge immunity test methods for a component that is
They seem to be the UK body for OIML representation. Do not know what this
has to do with enforcement of marking directives. Someone from the other
side of the pond needs to explain to the colonists which organizations
publish binding opinions. From the website with the URL www.bis.gov.uk/nmo
Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of John
Woodgate
Sent: Friday, September 07, 2012 10:28 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] RoHS Question
In message fab0c87d0c344da498f6ffcd77f4c...@tamuracorp.com, dated Fri,
7 Sep 2012, Brian Oconnell
Which results in another question. The FAQ states ...CE marking shall be
the only marking which attests the conformity of the product with the
requirements of RoHS 2.
Some customers want a RoHS logo on the label. Would this extra logo be
considered a non-conformity under the re-cast directive?
A friend that does embedded systems for vault doors said to look at
certificates for EN1143 and EN14450 tested products that are used in safes
and vaults.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Ron Pickard
RPQ
Sent: Thursday, August 30,
http://news.cnet.com/8301-1009_3-57481932-83/cell-phone-battery-catches-fir
e-burns-hackers-tail-at-defcon/
Not able to determine if battery was installed in phone or just sitting in
his pocket. And people have criticized me for shorting batteries while
sitting in a charge that has no power
Subject: Re: another cell phone battery
In message a2626a16374249beaa28b73f8b7da...@tamuracorp.com, dated Tue,
28 Aug 2012, Brian Oconnell oconne...@tamuracorp.com writes:
And people have criticized me for shorting batteries while sitting in a
charge that has no power applied.
Why do you sit
Reference your original thread for this subject back in June.
Have done several 'smart' battery charger projects - there does not seem to
be a singular definition or scope, and the particular EMC standard depends
on the class and type of equipment associated with the charger and/or
end-use
Ken,
For MS461, did you test the batteries as a seperate item, or as part of a
charger or the end-use unit?
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Ken Javor
Sent: Wednesday, August 22, 2012 10:55 AM
To: emc-p...@ieee.org
Subject: Re:
I have not do not have experience with rolling-stock ITE. But have done
power converters for trailer-mounted ITE systems for semi-permanent static
installs.
NEC would apply if the intended end-use is a static install at fixed site.
NFPA, so far, has only published stuff for EVs and HEVs. In
Good People,
Looking for a test lab in Southern California that can do the lightning
impulse test per IEEE C57.12.91 on a 500kVA, 3-phase reactor assembly.
If customers say 100% production test level - can anyone recomend test
equipment?
Thanks much,
Brian
-
: Saturday, August 18, 2012 10:43 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] CE Marking Provoqium
In message 1284c8ec9fbe4d24b6397106a3caa...@tamuracorp.com, dated Sat,
18 Aug 2012, Brian Oconnell oconne...@tamuracorp.com writes:
Note that the U.S. OSHA has (figuratively) declared war
Administration formed by the OSHA act of 1970 and as such ONLY has
regulatory power as it pertains to the work environment. And while the OSHA
act of 1970 is law, CFR29 is not. It has no authority to do more.
Thanks
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent
'Natural EOL', per term in post by John Pearson, for the EU would have to be
codified (in a directive?) because this tends to vary from one CAB to
another. Many agencies immediately withdraw the cert when version of the
standard used in the test report is obsoleted by OJ. More laws?
For North
' ;-)
Regards,
Lauren Crane
KLA-Tencor
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Thursday, August 16, 2012 2:44 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] EC vs EU suffix
Conformité Européenne
-Original Message-
From: emc-p...@ieee.org
Marking Provoqium
which only applies to the work place.
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Friday, August 17, 2012 16:09
29 CFR 1910
-
This message is from the IEEE Product Safety Engineering Society emc
Conformité Européenne
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Doug
Powell
Sent: Thursday, August 16, 2012 2:30 PM
To: peter_kelle...@dell.com
Cc: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] EC vs EU suffix
And the CE mark, what happens to it?
I am certain that Ted has much more consumer-product experience, but for the
simple ITE (typically component power conversion stuff) that I submit, do
not have to use NOM019 and can certify to ANSI60950-1 or CSA No.60950-1-07.
Probably relatively easy for me, because we have factory in TJ, so I
Doug,
Your analysis is logical and could be used in the Technical File. But the
HMI meaning of a 'terminal' as a data display is previously listed in item
'b', so the TC's intent is not clear and could also be interpreted to
indicate the affected electrical connector.
There are ergonomic
Noted several PTC with operating voltage rating that was duplicated in the
agency file, but no agency file has any reference to the interrupt or
fault voltage rating. But both CSA TIL CA-3A UL1434 seem to have a
reverse-V rating, which is never referenced in their specs. Also be careful
with the
Interesting. Have you used these drivers for other than immunity tests?
The boss wants me to 'convert' my stuff from Linux to Windoze - could this save
me the associated pain and agony and inexorable passage of time?
Brian
-Original Message-
From: emc-p...@ieee.org
Some UL and CSA standards spec up to min 3mm of ceramic material for use as
insulation from haz V. And some safety stds have no min thikness for ceramic
stuff. And you can infer from temperature tables in various standards that
ceramics can be considered supp or rein insulation. But I am not
WEEE, RoHS, 66/2010/EC, 2009/48/EC, EN 71-1, etc
U.S. FDA FTC
ASTM D5445
ISO 780
WTO
google/bing/yahoo is your friend, and your 60 seconds have expired.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
jacob.glee...@eu.panasonic.com
Sent: Monday,
HP published some VEE stuff and HP basic library in early 90s, and National
had LV and LW libraries. Probably too old for Tiles.
Gonna cost you in time and/or dev tools.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of
emcp...@aol.com
Sent: Monday,
Amazing to behold - UL just published a CSDS proposal issued to adopt
IEC62109-1 in lieu of UL1741.
Anyone know if CSA will follow, or am I destined to continue chasing 3 to 4
safety standards for one silly little box?
Brian
-
.
Donald Borowski
EMC Compliance Engineer
From: Brian Oconnell oconne...@tamuracorp.com
To: EMC-PSTC@LISTSERV.IEEE.ORG
Date: 07/16/2012 10:44 AM
Subject:RE: EMI software using Agilent 8564E
Sent by:emc-p...@ieee.org
HP published some VEE stuff and HP basic library
FWIW, I had same problem when one CAB said that I had to update to 3d ed and
another CAB said no, because there is a collateral standard that affects the
transition date. The latter engineer was also the medical engineering
manager for this agency, and said that he would implore the convenor for
Dependence on the long-term stability of proprietary data formats is a big
subject. Very Big. I am the Master Blaster of process automation, but I believe
that current systems for long-term digital data storage, other than ANSI text,
have no efficacy.
I am not referring to 20 or 200 years, but
Very interesting. Thanks for the info. What is the chance of connecting to
an antenna in a 10m chamber with a comb gen then comparing to another
receiver ? Other people with test/review ideas for Mr. Wyatt?
I will have 3 or 4 hours of chamber time in two weeks. If ya wanna and are
in s.cal, can
Within the meaning of OSHA requirements 29CFR1910 - no effect if no change
was made to the design, materials, or performance as compared to the
NRTL-certified model from the factory. According to OSHA: These product
changes, even if inadvertent, void the NRTL's approval for that product, and
an
Was at an NRTL/CAB site yesterday. Noted a small group lurking - assessment
engineer said they were part of an OSHA audit team. I recognized one member
of the audit team from another NRTL down the road.
Does the U.S. OSHA use NRTLs to audit each other?
Brian
-
are under to oversight of OSHA, although I was not aware they would do
field surveys like this.
See: http://www.osha.gov/dts/otpca/nrtl/
--
Thanks, -doug
Douglas E Powell
doug...@gmail.com
http://www.linkedin.com/in/dougp01
On Tue, Jul 3, 2012 at 10:55 AM, Brian Oconnell oconne...@tamuracorp.com
Pre-screens that attempt to minimize consumption of a candidates' time is a
good thing.
What if the candidate logs in to answer one or two questions that evaluate
engineering judgment and/or problem solving? Perhaps you have to consider
that the knowledge of... stuff cannot be used as a
Japan, and some Carribean stuff - does knowledge of this fact make me a
better compliance person? No.
And a voltage switch is NOT necessarily required. Think auto-switch power
supplies.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of IBM Ken
Sent:
Annex D
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Youngsik Kim
Sent: Thursday, June 28, 2012 7:40 PM
To: emc-p...@ieee.org
Subject: calculate to IEC62493 Factor F
Hi. All
How to calculate IEC62493 factor F?
-
Did this, and more. Offered to open-source on this forum if someone would be
admin. No takers. Codebase now belongs to employer.
Synopsis of what was done and tools used.
0. Python and SQLite
1. Webcrawler using Spyder
2. RSS feed using Google Reader API and pyrfeed
3. Data parser using
I agree with Ed Price - use a spreadsheet with well-documented formatting
unless you have a really good reason not to - from a person that has wasted 2
days automating a 15 min process that is done twice per year.
OpenOffice and LibreOffice are available for Mac, Win, and Linux. The 'Calc'
and
Low Voltage could indicate 1500V, so am not certain.
BS5839-1 if part of alarm or fire detect system. And BS7671/IEC60364 in
general.
Depends on routing of adjacent wire/cable and ratings of all equipment
connected to cable.
Brian
-Original Message-
From: emc-p...@ieee.org
Brian,
I have forwarded your message to the sales director and production manager.
They, and others, oft accuse me of intransigent (but typically use many
additional descriptive terms). We all make mistakes, but they must be
recoverable and not fatal.
Component power supplies - you get what you
According to several SGS and UL publications, which I cannot send because of
copyright, Saudi Arabia does not allow abbreviations for country of origin
on product label. Reference was Saudi Law of Commercial Data, No. M/5-14
Rabi' II 1423H.
We make some of our stuff in TJ, and their import people
Wow, I am impressed. Do you also have to hi-pot at 5km?
I remember that Dayton Brown has a 10x20 chamber, but am not certain if they
have the power you need.
Labs that do RTCA tests typically do the explosive decompression by evac to
much larger chamber, so they may have the volume. Perhaps the
There are several directives where the CE mark would be required - depends
on end-use equipment/environment and battery capacity.
Apply EMC directive to the battery itself where uControllers is embedded,
otherwise, the EMCD/tests are applied to the charger where specific battery
models are
'CE' mark on batteries, for this moment in time, should only make reference
to the EMC directive. Where the battery must be considered I/S, and is
intended for use in non-ordinary locations, then it is included as part of
the investigation on the end-use equipment.
62133 - not harmonized - no CE
, Brian Oconnell oconne...@tamuracorp.com writes:
Was looking at some publications by the 'Smart Grid Testing
Certification Committee'. Any comments on why the NIST seems to be
driving this and not an IEC WG?
It's a BIG bandwagon, and everyone is trying to get on it. IEC IS
working on it. http
Was looking at some publications by the 'Smart Grid Testing Certification
Committee'. Any comments on why the NIST seems to be driving this and not an
IEC WG?
YALON - yet another layer of NBs
Brian
-
This message is from the IEEE
Insulation Resistance test NOT same as di-electric withstand. Classic
instrument often refered to as 'megger'. IR tests are typically done at
lower test V than D/E withstand.
Depending on rating of components, IR test voltages can be applied anywhere
the insulation quality must be quantified, and
There are IEC standards where the TC issued interpretations where a min IR
was specified for some components that bridge mains.
Various IR test methods are common for North American standards - for
example, UL/CSA2556 says
The megohmeter or megohm bridge shall be connected to the specimen and the
Caveat - my employer makes smps, but no longer makes 'brick' power supplies.
1. I have two typical setups for emissions tests, both attached directly
to output connector pins or terminals.
a. c/c load using bipolar with zener from ps to base and some bias resistors
b. pure resistor load
2. Out of
I have had conversations with a UL manager and a European IECEE member about
standards cost; and both people indicated zero level of concern. To quote
George Burns, No snowflake in an avalanche ever feels responsible.
I understand that there are costs to bear by the WGs and TCs that do this
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Brian
Oconnell
Sent: Tuesday, May 08, 2012 11:13 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] e-standard.org The cheapest standards in the world
I have had conversations with a UL manager
Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Tuesday, May 08, 2012 11:19 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] e-standard.org The cheapest standards in the world
UL does not sell standards, it uses the entity incorporated as 'COMM 2000'
to sell
engineer - maybe we can write a better requirement that reflects real-world
conditions, with test conditions having repeatable results.
manager - maybe these engineers can come up with new requirements that will
force everyone to buy new standards and more lab time.
-Original Message-
Have no experience with the people associated with this URL. Unknown
copyright status and possible at-risk financial info if you purchase. DNS
and trace indicates located in China. Bounces through several proxies. Flaky
implementation of Zen Cart.
Any other transaction experience with this site?
Not certain what OP is attempting, as wire gage is dependent on the fault
calc found in electric code, and breaker rating is related to the
distribution. So will guess that this may relate to breaker-fuse
coordination - IEC60947-4-1, which was discussed in previous thread. If
about difference
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Circuit breakers in Europe
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Thursday, May 03, 2012 08:36
Not certain what OP is attempting, as wire gage is
dependent on the fault
calc found in electric code, and breaker rating
The life of compliance engineers.
Will not post my reply to this, suffice to say that I quoted Worf and Bugs
Bunny...
-Original Message-
From:
To: Brian O'Connell
Cc:
Subject: FW: static mats
Hi Brian,
has a lot of electric discharge from her person and gets shocked quite
For automotive stuff (ISO10605), I have to be careful about bleeding charge
after each iteration because test level = 25kV. I use a 470k Resistor
attached in series with a short braid that is screwed into the ref plane,
and touch the UUT. The strap is used for discharge only and is not attached
Looking for a southern california lab that can do impulse test per
IEEEC57.12.01/IEC60076 on a reactor coil with 1100Vac rated working voltage.
thanks much,
Brian
-
This message is from the IEEE Product Safety Engineering Society
IEC site says that TC22 has voted yes on IEC62477-1 Nov 2011, but still
waiting. EN62103 has scope that I need, but not published in LVD. And the
usual suspects of 61730, 61646, 61215, 50521, and 50548 not correct for my
stuff.
EU equivalilant of UL1741/UL1012 for stuff in combiner box that is
item on TC82's docket.
For now, the guts would be subjected to whatever the guts normally would
if the guts were components used elsewhere.
Regards,
Peter L. Tarver
From: Brian Oconnell Sent: Friday, April 20, 2012 14:30
IEC site says that TC22 has voted yes on IEC62477-1 Nov
2011, but still
I am not a panel. I am not an expert. But I did control the spurt that was
emitted from a panel.
google Kuwait conformity assurance scheme.
google KUCAS product list.
google Bugs Bunny.
Brian
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Gartman,
Bing, Yahoo, Google
Class A? Class B? Will it be used on Jupiter or Uranus?
OET BULLETIN 62
47CFR15.103
-Original Message-
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org]On Behalf Of Inken Green
Sent: Monday, April 16, 2012 7:59 AM
To: emc-p...@ieee.org
Subject: US FCC 47 CFR Part 15
Depending on your corporate IT policy, many DoD/DLA (.mil) sites may be
blocked because of invalid security certs. This is reasonable, as it is a
common 'man-in-the-middle' exploit to use expired certs. And many government
sites are not kept updated.
Brian
-Original Message-
From:
Various services have been doing ad-injection for at least five years so not
new - first noticed it around 2006. In fact, there are wordpress utilities
that do ad injection for bloggers. The bad stuff will probably not come
until you click on the 'extra' banner. Some easy notebook mitigation to do
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