Make that BS 7671
-Original Message-
From: Peter Tarver
Sent: Thursday, April 12, 2012 15:00
Hi.
The UK are cosigners to the HAR agreement. However, BS
7671 calls out a number of BS standards for cables, but
does not mention HAR cable.
Can HAR cables be used in the UK and meet
From: John Woodgate
Sent: Thursday, April 12, 2012 23:58
In message
Peter Tarver writes:
The UK are cosigners to the HAR agreement. However,
BS 7671 calls out
a number of BS standards for cables, but does not
mention HAR cable.
Any such reference should be in the BS cable standards
Combiner boxes are in the scope of 62109-4, but this is a potential new
work 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
Good day to all.
We (on this list) have had discussions on the differences in the
calibration characteristics of fuses certified for use in Europe versus
North America.
We also discussed fuses sizing for what in North America is called a
branch circuit and that fuses in Europe are sized equal to
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 is
related to the distribution.
In North America, barring circumstances
Not UL clients; UL clients with current/active safety certifications.
New clients must pay retail.
Regards,
Peter L. Tarver
-Original Message-
From: Brian Oconnell [mailto:oconne...@tamuracorp.com]
Sent: Tuesday, May 08, 2012 14:23
The free stuff and this pricing is
available
Thank you all for your responses.
I’ll clarify:
The current being carried is close to 16 A. Wiring is appropriately sized
for this current and the length of the circuit conductors. Should the
“branch circuit” overcurrent protection be rated anything other than 16A
and why?
Some have
In Europe, Jim?
Regards,
Peter L. Tarver
*From:* Jim Morrison [mailto:jmorri...@qps.ca]
*Sent:* Wednesday, May 16, 2012 09:47
If the device is marked 16 amps on the nameplate, the branch circuit would
be 20 amps. A cord connected device marked 16 amps certified or listed
(Canada/US)
I would also be very concerned about different coefficients of thermal
expansion for the two materials and whether or not you can make a sprayed
on ceramic coating hydrophobic.
Regards,
Peter L. Tarver
This email message is for the sole use of the intended recipient(s) and may
contain
I’ve watched BBC News rebroadcast in the US. One thing BBC absolutely is
not is politically unbiased.
Peter Tarver
*From:* Michael Derby [mailto:micha...@acbcert.com]
*Sent:* Thursday, August 09, 2012 00:45
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* Re: [PSES] FW: [PSES] EU sets EMC limits
of meeting V-2? Or was it simply not tested for a vertical
flammability classification because there was no perceived market (HB is
good enough)?
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you
There are several NRTLs in the US. Pick your poison.
With some, you pays yer money and you takes yer chances.
Peter Tarver
*From:* Brian Ceresney [mailto:bceres...@delta-q.com]
*Sent:* Friday, August 17, 2012 10:41
I agree with you Ralph. I’d like to see that type of approach here
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 email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an
at one another in front of
fawning/deriding press and enriching themselves and
their campaign donors.
Peter Tarver
-
This message is from the IEEE Product Safety Engineering Society emc-pstc
discussion list. To post a message
this company small.
I could speculate as to what other special
considerations might have been found self
certifiable.
I'd like to hear other stories of the self
certification regime.
Peter Tarver
-
This message is from
been required at the
Federal level.
Peter Tarver
From: Brian Ceresney [mailto:bceres...@delta-q.com]
Sent: Tuesday, August 21, 2012 12:25
To add to the discussion, I believe that in 2009, the
Province of Ontario, Canada intended to initiate a
program forcing manufacturing
products are not, strictly speaking, required to comply with the RoHS
recast now, if they were out of scope previously. These products are
allowed to apply the CE mark until mid 2019.
Regards,
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain
Hello from overcast Northern California.
I recently purchased a copy of HD 361 to decode HAR cable designations.
An example is:
H05GG-F
H = harmonized cable
05 = 300/500 V
G = ethylene vinyl acetate conductor insulation
G = ethylene vinyl acetate jacket
F = flexible conductors (Class 5)
My
.
Regards,
Peter Tarver
-Original Message-
From: Aldous, Scott
I did find a reference to this, though not from an
official source:
http://www.muellergroup.net/faq.html#10
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged
No, John, it isn't.
From: John Woodgate
Sent: Thursday, October 11, 2012 08:59
In message
Peter Tarver, Thu,11 Oct 2012, writes:
Does the same inside to outside approach also apply to
the voltage rating, as I expect that it does?
Isn't that specified in HD 361?
This email message
fly.
Peter Tarver
*From:* Richard Pittenger [mailto:richard.pitten...@hobartcorp.com]
*Sent:* Friday, November 02, 2012 11:21
Esteemed Colleagues,
I have a product submitted to NRTL “E” that uses a Mylar electrical barrier
between line-voltage (120 V ac), uninsulated live parts
(or to even warm water). The customer was told that the
certification service would not be forthcoming, but I had to explain why.
Whether it's considered a matter of fairness or a response to contracted
services, some explanation is needed.
Peter Tarver
This email message is for the sole use
with a 1-15P attachment plug.
The C5/C6 couplers/inlets are very common for use with laptop computers
having 5-15P attachment plug.
Ted's comments apply.
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged
Systems.
Peter Tarver
-Original Message-
From: Nick Williams
[mailto:nick.willi...@conformance.co.uk]
Sent: Friday, November 23, 2012 06:13
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Telephone connection accessories
Esteemed colleagues,
What are the appropriate standards
receivers will be subject only to the LVD and RTTE.
Brussels, 17.10.2012
COM(2012) 584 final
2012/0283 (COD)
Peter Tarver
*From:* Elliott Mac-FME001 [mailto:fme...@motorolasolutions.com]
*Sent:* Monday, October 22, 2012 10:41
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* Re: [PSES] Recast of RTTE
errr...yeah. Got interrupted by work that pays my salary.
From: John Woodgate
Sent: Friday, February 22, 2013 09:43
Fri,22 Feb 2013, Peter Tarver ptar...@enphaseenergy.com
writes:
I’m looking at the proposal now. What I gather from
the first 8
pages (of 77) is that it removes all
In case you haven't seen it yet, an NRTL/SCC lab has instituted invoicing
practices where factory product audits will be billed separately for every
global region from a financial entity in that region. Your companies will
be burdened with having to add additional suppliers to your financial
not
demand the full output of the device)
Thank you for your help.
Bin
Bin -
IEEE 1547 is the base line. As you enter a utility's area of operation,
you will need to contact them to discover if they have any unique
requirements for your company's technologies.
Peter Tarver
This email message
limit for safety.
I can say that it's much simpler to drive high current at low voltage for
the purposes of this test. For example, using a variable autotransformer
on the high voltage side of a step down transformer operated in
short-circuit mode.
Peter Tarver
This email message is for the sole
in my prior labs, I’ve seen the voltage drop
across the tested current path change with time, mostly due to heating
effects. Less heating necessarily leads to a lesser resistance value,
since resistance of any conductor is dependent on its temperature.
Peter Tarver
This email message
system remote controls, cell
phones, notebook or notepad computers, laptops, mp3 players ...
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an intended
recipient, you may not review
Good afternoon.
A cable supplier has mentioned that cables cannot bear the HAR marking
if they are not manufactured within an EU country. This seems to be
buried in HAR agreement documents that are out of my reach. Can anyone
confirm this?
Regards,
Peter L. Tarver
This email message is for
.
Regards,
Peter Tarver
*From:* safetyl...@gmail.com [mailto:safetyl...@gmail.com] *On Behalf
Of *Arthur
Michael
*Sent:* Wednesday, April 24, 2013 20:14
*To:* Peter Tarver
*Cc:* EMC-PSTC@listserv.ieee.org
*Subject:* Re: [PSES] HAR factories for marked cable
Hi Peter et al,
Here
UL warning regarding a wall receptacle (socket outlet)
http://www.nema.org/News/Pages/UL-Warns-of-Potentially-Hazardous-Receptacl
e.aspx
I'm not aware if mixing of voltages is allowed in a duplex receptacle (I
suspect it is not, since wiring errors become more likely and segregation
of wiring
))
Peter Tarver
-Original Message-
From: John Allen [mailto:john_e_al...@blueyonder.co.uk]
Sent: Monday, May 06, 2013 10:11
To: 'Peter Tarver'; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: UL warning regarding a wall receptacle
Peter
Whilst the link to the UL press release works
receptacle with
USB outlets in their listings for outlets.
In such cases, I suspect the USB portion requires no field wiring and that
the USB portion replaces one outlet from a duplex configured device. Is
this accurate?
Regards,
Peter Tarver
This email message is for the sole use
too much electricity, and so Google can let
you know when you need to buy more certified organically produced, free
trade soy-milk.
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you
of
fulfilling their intended functions.
This view is similar in concept to allowing a dc test when capacitances
will allow excess currents to flow during the same tests.
Your answer sells better in committee.
Peter Tarver
-Original Message-
From: Richard Nute
Hi Joe:
Very quickly
Photovoltaic inverters and related equipment.
Poor service and lousy communications are leading me to consider a move.
Any input will be accepted.
Regards,
Peter L. Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged
*From:* McInturff, Gary [mailto:gary.mcintu...@esterline.com]
*Sent:* Thursday, July 18, 2013 16:23
Anybody know the Docopocoss (or whatever on that) on IEC 60950-1:2001,
First Edition
Gary –
*EN** *60950-1:2001 lost favor on 1DEC2010.
You owe John Woodgate a nickel.
Peter Tarver
, there was about a 3 1/2 year transition window.
Peter Tarver
-Original Message-
From: McInturff, Gary
[mailto:gary.mcintu...@esterline.com]
Sent: Friday, July 19, 2013 08:06
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] 60950 1st edition and amendments
Ha now I'm getting new
. If each successive fuse replacement uses the same fuse, more
of the same may result. If the product isn't returned for replacement or
discarded, the fuse might eventually be replaced with a larger rated fuse
with possible further degradation of safety.
Peter Tarver
This email message
glass tube fuses crack,
ferrules become dislodged (even on solder in place fuses), when the
interrupting (breaking) capacity was too low for an application in
end-product equipment.
I'm glad the fuse will be replaced with another, more approriate type.
Peter Tarver
This email message
You can check CENELEC’s TC 20 web site.
Regards,
Peter Tarver
*From:* Niels Hougaard [mailto:n...@bolls.dk]
*Sent:* Thursday, August 29, 2013 07:23
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* [PSES] Standard for testing of high voltage penetrators
Dear list members,
High voltage
in further research.
Regards,
Peter Tarver
*From:* Ed Price [mailto:edpr...@cox.net]
*Sent:* Thursday, August 29, 2013 05:11
*To:* EMC-PSTC@LISTSERV.IEEE.ORG
*Subject:* [PSES] Norwegian RF Study
*The Norwegian Institute of Public Health released a study of
electromagnetic exposure
at an
elevated temperature, etc.
Regards,
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an intended
recipient, you may not review, use, copy, disclose or distribute this message.
If you
in
telecommunications networks, in particular modular plugs/jacks, line cords
and the like.
Regards,
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an intended
recipient, you may
in this thread.
Regards,
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an intended
recipient, you may not review, use, copy, disclose or distribute this message.
If you received this message
.
Regards,
Peter Tarver
This email message is for the sole use of the intended recipient(s) and may
contain confidential and/or privileged information. If you are not an intended
recipient, you may not review, use, copy, disclose or distribute this message.
If you received this message in error
.
Regards,
Peter Tarver
-Original Message-
From: Zhangguoqing (A) [mailto:zhangguoq...@huawei.com]
Sent: Monday, September 16, 2013 19:05
To: Peter Tarver; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: 答复: [PSES] question on clause 6.3 and 1.4.11
of IEC60950-1
Dear Peter,
Thanks for your reply
I've received feedback that NF C 100-15 (France wiring rules) requires
testing against either NF C 32-070 (France) with resulting ratings of C1
or C2, or against EN 60332-1-2, for all nonresidential locations.
The scope of the EN 60332-1-2 indicates vertical flame spread testing is
performed (I
coordination.
For component manufacturers that are not specifically
targetting the telecom market, it's highly unlikely you'll
find satisfaction.
Beware the specter of 'designed to meet.'
Peter Tarver, PE
ptar...@ieee.org
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc
Can anyone comment on the periods of real world exposure
the tests (30 days or 60 days) the test is intended to
represent? One reference I found points to ASTM B117, but
I don't have access to that standard to see if it's
contained in there.
Peter Tarver
ptar...@ieee.org
-
This message
in the
Telecommunication Carrier Group from draft standards into
which, I've heard, Verizon did not direct significant
energy.
Peter Tarver
ptar...@ieee.org
On 17 Oct 2008 at 9:48, Marko Radojicic wrote:
Hello group,
I could not attend the NEBS conference this year and was
hoping to get some input
-bang and poorly formatted and nonstandard html mail.
If such tings are important to a post, a reference to a web
page should be sufficient (people have had web browsers
from the ancient days *before* 1999).
Peter Tarver, PE
ptar...@ieee.org
the curmudgeonly Luddite and technological apostate
This could be an excellent application for a poll on the
EMC-PSTC Community web site.
Peter Tarver, PE
ptar...@ieee.org
-
This message is from the IEEE Product Safety Engineering Society
emc-pstc discussion list.Website: http://www.ieee-pses.org/
To post a message to the list, send your e
Mail*Link¨ SMTP FWDhelp
Doe sanyone out there know where Paul is and can check up on him?
Peter Tarver
Northern Telecom
peter_tar...@nt.com
--
List-Post: emc-pstc@listserv.ieee.org
Date: 6/21/96 6:06 AM
From: Paul Reilly
- E X T E R N A L L Y O
Tom Bao asks about what configurations make products Pluggable Equipment Type B.
Where North America is concerned, this was discussed at UL and it was
essentially determined that any attachment plug other than , ANSI/NEMA 1-15P,
5-15P and 5-20P (the 125V, 15A and 20A plugs) makes ITE Pluggable
Reply to: REFW: Infrared Viewers
Keith -
While I don't have any direct experience with IR imagers and their related
analysis software, I would suggest getting your hands on some trade magazines,
such as Photonics Spectra, Lasers and Optronics, etc. There are at least a few
vendors
Reply to: REMerger of Component Manufactures
All -
While the emphasis in this discussion has been on ways to bandaid(tm) reports
to avoid FUS problems for OEMs, I see this as a problem with the way FUS is
coordinated by the safety certifiers.
While at UL, mergers of companies proved
Reply to: FWDRELimited Power Source
Egon H. Varju wrote:
On 20/4/1996 Kendal Wilcox wrote:
I was discussing UL 1950/CSA950/EN60950 clause 2.11, Limited Power
Source with a colleague, and we were looking at the Table 9 limits for
maximum output current Isc (1000/Uoc)
This kind of commercial post is explicitly forbidden by the Charter of
the EMC-PSTC listserver. Please don't do it again.
Peter L. Tarver
Nortel
ptar...@nt.com
--
From: Adrian Aldape[SMTP:b...@centuryinter.net]
Sent: Wednesday, July 09, 1997 1:13 PM
To:emc-pstc
Subject:
Below, Bruce Hunter assumes Hans Mellberg is using an air gap comprised
of traces on a printed wiring board. When I first read Hans' message, I
thought he was discussing discrete components. I have seen both used,
but would like to ask you, Hans, to clarify your application, before we
get off on
Bob -
The limits are similar, but not identical, (yet).
As to the failure mode considerations, IEC 825-1 contains requirements
for imposing fault conditions on components and the like that might
affect the laser class. This is probably the origin of the safety
notice.
Please note that fault
The safety agencies will primarily look to see if the inrush will cause
nuisance tripping of any overcurrent protection devices, including the
branch circuit protection, and sometimes effects on additional earth
leakage current. For your application, the North American agencies will
assume branch
Richard -
It is my understanding that if an enclosure is built in accordance with
the construction specifications in the standard, it will already meet
the requirement to prevent the spread
of flames. No additional text needs to be added to the standard in this
area and any attempt to do so will
Well put, Chris. On this same topic, I've been curious for many years
now about the suitability of Hall Effect sensors in interlock circuits.
Any comments?
Peter L. Tarver
Nortel
ptar...@nortel.com
--
From: Chris Dupres[SMTP:chris_dup...@compuserve.com]
Sent: Monday, June 23, 1997
--
From: donne...@agcs.com [SMTP:donne...@agcs.com]
Sent: Tuesday, June 24, 1997 12:29 PM
I am wrestling with the concept of clearances as they apply
to our -50Vdc power circuits in a telecom application.
Looking at UL 1950 (3rd edition), Clause 3.4.1 says that
the
connections to a
Relocatable power taps are considered temporary extensions of the
branch circuit. They are not appliances and that is the crux of the
issue. Placing any active electronic circuitry inside (I assume this is
what you mean by contains other control circuits), other than passive
surge and
Of equal concern for minor excessive temperatures, is that the bond
strength of the copper on the PWB will be the first thing affected. The
copper may pull away from the laminate due to thermal stresses and
eventually result in high impedance connections. Such poor electrical
connections could
When I sent this out, I selected reply to sender, rather than to all.
Here's what Rich got. For your perusal.
Peter L. Tarver
Nortel
ptar...@nt.com
--
From: Tarver, Peter (P.T.)
Sent: Friday, December 12, 1997 8:30 AM
--
From: Rich Nute[SMTP:ri...@sdd.hp.com]
Sent:
Doug, et al -
The FDA is concerned about contacting a responsible company, should any
incident(s) occur for any given product. This would be to affect
recalls and/or repairs/modifications, etc., to Certified equipment.
Also, this is intended to allow a user to contact the responsible
company
Further to Rich's comments...
--
From: Rich Nute[SMTP:ri...@sdd.hp.com]
Sent: Thursday, December 04, 1997 10:38 AM
Hello Vagn:
1. Why do standards specify a minimum output current for
hi-pot testers?
deletia
Another reason for a minimum current requirement is that some
of the
right now, according to their latest literature.
Jim
__ Reply Separator
_
Subject: RE: EN 60950 A5
Author: Peter Tarver peter.tarver.ptar...@nt.com at Internet
Date:08/28/1998 1:51 PM
Jim
Even though it wasn't you point, Daniel, it should be noted that the CB
Scheme provides for participating NCBs to accept one anothers' test data,
but by no means guarantees that an NCB reviewing a CB Scheme Test Report
will not ask to perform some testing. The testing might be required by an
NCB
Richard -
For a long time, UL (and I believe CSA) thought any device deriving power
from a Class 2 source needed listing. In fact, they were adamantly opposed
to it, even when requests for such certification were made. UL's primary
basis was that the NEC didn't care what was supplied by a Class
_
Subject: RE: US NRTL required ?
Author: Peter Tarver peter.tarver.ptar...@nt.com at INTERNET
Date:9/22/98 11:17 AM
Require? No. Will they? Yes, under certain circumstances and certain
product categories, like ITE. Laptops for instance
Better yet, how about the subscribers taking the additional two or three
seconds it takes to do the responsible thing and delete it themselves?
Peter L. Tarver
Nortel
ptar...@nt.com
-Original Message-
From: Robert Macy [SMTP:m...@california.com]
Sent: Thursday, October 08, 1998 12:05
The key word below is allow. There is no requirement that one NCB accept
the report of another NCB. I am aware of one case where a CB Scheme Test
Report from one NCB was refused out of hand by another NCB in the same
country (both shall remain nameless), without any rational qualification.
I
Doug -
Delta-delta transformers are popular with the utilities for economy's
sake (they are less expensive than WYE transformers) For similar
reasons, some industrial applications distribute and use power within
their plants on delta feeds.
In office environments, however, it's typical to use a
:47 AM
Peter Tarver wrote:
Delta-delta transformers are popular with the utilities for economy's
sake (they are less expensive than WYE transformers) For similar
reasons, some industrial applications distribute and use power within
their plants on delta feeds.
In office environments
Alan -
I'm not certain about the origin of the application of Tables 3, 4 and 5 in
your example, but since Tables 3, 4 and 5 generally have lesser distances
for the same voltages than are found in Table 6, this seems primarily an
academic exercise for which I'd need a specific safety concern to
To muddy the waters further, Ron, I offer a converse reminder: many
Authorities Having Jurisdiction are still using versions of the NEC the
precede the introduction of 800-4 (and the previous location of the same
idea in the 1990 NEC that eludes me). I've known of some jurisdictions to
use the
Happy holidays, to one and all.
I am looking for a contact for product safety certifications at National
Semiconductor. The operators at their Santa Clara facility are useless,
unless you have a name.
Regards,
Peter L. Tarver, PE
Nortel Networks
ptar...@nortelnetworks.com
-
This
Ron -
Different UL standards have different requirements for these capacitors.
It is my understanding that:
UL1950 (ITE) does not have an issue specifically with UL1283 capacitors
(yet)
UL1459 (Telephone Equipment) does have requirements specifically
requiring UL1414 capacitors (which if
Ned -
Since you didn't mention your particular application, a good source for
a very broad number of applications is Bruel Kjaer
http:\\www.bk.dk
Their regional US representatives moved to a central North American
location
Bruel Kjaer
Division of Spectris Technologies
Just to fill the pot with more speculation, my recollection of college
chemistry tells me that alcohol readily absorbs moisture from the
atmosphere, so that any container opened to normal atmospheric conditions
for more than a few seconds will autodilute to somewhere around 93% (that's
the number
Jim -
Yes, that's pretty much how respooling works.
The most odd aspect was that this was wiring already in a wiring harness,
taken from a box with the appropriate wiring harness labeling. The FUS Rep
wanted to see our drawings to verify the design of the harness, which is
normal, but
In the following, I'll speak only to UL certified wire. To get an official
reading, call the nearest UL office and ask for the client advisor, then ask
them to direct you to an engineer working with wire and cable.
One of the best resources for information about any UL product category is
the
A few safety type markings are translated into French in Annex NAA of
CSA950/UL1950.
Regards,
Peter L. Tarver
Nortel
ptar...@nt.com
--
From: ron_pick...@hypercom.com[SMTP:ron_pick...@hypercom.com]
Sent: Tuesday, June 23, 1998 3:06 PM
Hello from quite sunny
A point of clarification here. UL Recognized AWM isn't required to be
surface marked at all. The marking is perfectly legitimate if it is on the
spool the wire is taken from.
Yet another voice chiming in that it was probably not traceable as being R/C
AWM.
Regards,
Peter L. Tarver
Nortel
Gary -
You seem to be doing just fine for your current market. As you market
expands (you mentioned GOST), however, the CB Scheme Test Report does offer
portability to a greater degree than a lesser. Many of the agencies will
want a sample for a looksee, a few may want to perform minor
Richard -
In addition to the previously mentioned manufacturers, there is also Behlman
http://www.behlman.com/
also sold through Electro Venture
http://www.electroventure.com/
Regards,
Peter L. Tarver
Nortel
ptar...@nt.com
--
From: Richard
Heber -
This may depend on who's doing the certification of your equipment. I've
heard of certain agencies ignoring faceplate LEDs, but not yet of any
wanting to test. According to Jerome Dennis of the CDRH (at the 1997
International Laser Safety Conference), discussions at the IEC TC76
As with many things in life, there is no simple answer to your whole
question list, but I'll address what I can in a short form.
A telco is a utility and normally a monopolistic entity. The systems and
equipment the telco use are maintained (supposedly) to a much higher degree
(at least inside
George -
While I have not found myself in quite the same predicament as you describe,
I have had good success with your Option D. This quite often clarifies the
applicable requirements for a product's audit and has also quite often
exposes misunderstanding on the part of the inspector as to what
Jeff -
This rumor doesn't make much sense as an across-the-board requirement,
especially considering UL has a component product category for MOVs and
other transient voltage surge suppressors, along with some product standards
that allow reductions of over-surface and through-air electrical
Mike -
Hearsay alert but it may get this discussion rolling and I'm most
certainly interested in the outcome.
I don't have specifics on IEC 332 and I can not strictly testify to the
accuracy of the following, but from discussions with a coworker in the
UK, EEA countries generally dislike plenum
Jim -
Most any calibratable voltmeter with 1000+ Ohms/V should work OK. The
Ohms/V information should be on the indicator plate. Is there a specific
test you're concerned about using this meter for, or is it for general
applications?
For the manual, try posting to sci.electronics.equipment and
Peter -
These are all in the CEC and US NEC. You need to purchase one or both
(they're significantly similar on all of your points in question).
Regards,
Peter L. Tarver, PE
Homologation Engineering
Nortel Networks
ptar...@nortelnetworks.com
-Original Message-
From:
101 - 200 of 328 matches
Mail list logo