[PSES] Korea KCC/RRA approvals

Hi Group, I am working with a client where we have an EMC lab that has ISO 17025 approvals. We need to get a few products certified by RRA for EMC. Does anyone gone through the process of getting a product directly certified rather than going through 3rd party labs? What is the process? how

[PSES] New EU Code of Conduct

Happy New Year all I have a question that I was hoping you could assist me withthe answer or point me to where I may be able to get the answer. We have been told by a couple of NRTL that the new requirementsfrom EU concerning external power supplies energy efficiency have been changed as

[PSES]

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[PSES]

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Re: [PSES] Proving UN38.3 certification of common batteries.

Can someone let me know where can I purchase a copy of the UN/DOT 38.3 please? Thank you Peter -Original Message- From: McInturff, Gary gary.mcintu...@esterline.com To: 'Leber, Jody (Suwanee)' (Suwanee)' jody.le...@sgs.com; 'EMC-PSTC@LISTSERV.IEEE.ORG' EMC-PSTC@LISTSERV.IEEE.ORG

[PSES] PoE and IEEE 802.3AT, Type 1

Hello Group, Can soneone let me know where in the US (West Coast preferred) I can test and qualify a PoE (Power Over Ethernet) power supply to IEEE 802.3AT, Type 1 ? Also does anyone knows if IEEE 802.3 AF has superseded the AT type 1 or not please? Thank you Peter -

Re: [PSES] Mandatory NRTL certification

John and all, thank you for a great feedback. The follow-up question is that how about products that are sold outside consumer market and basically are sold to professional market where their use and installation are done by professionals. These types of products are not available through

[PSES] Mandatory NRTL certification

Hello All, Today a colleague asked me a question as to why do we need NRTL certification such as UL or CSA on any product in the US. I thought this was a good and logical question and the way I answered it was that to the best of my knowledge, OSHA requires that any products that is used in

NSA and JTIC compliance

Hello group, One of our customers has asked if our products complies with NSA (National Security Agency) and JTIC ( Joint Tactical Intelligence Center). Can anyone shed some light as where I should start looking for this please? Thanks Peter A Good Credit Score

Re: iNARTE PS cert books

Curtis, I would not not do it. Join IEEE instead. Pete From: Bender, Curtis curtis.ben...@tennantco.com To: emc-p...@ieee.org Sent: Thu, 8 Jan 2009 8:58 am Subject: iNARTE PS cert books Greetings colleagues. To further my career credentials (and +20 year experience) as a product safety

VCCI approvals for AC/DC adapter

Hi Folks, Can anyone tell me why we don't see VCCI logo on many AC/DC adapters on the market? Thanks Pete Plan your next roadtrip with MapQuest.com http://www.mapquest.com/?ncid=mpqmap000304 : America's #1 Mapping Site. -

PCB design guideline

Hello Group, Has anyone got a brief document that outlines how to design PCB to have a better EMC/EMI performance? I basically need to give some basic guideline to our PCB guy . I know some of it myself. Things such as separation of high frequency from low frequency, good ground plane, etc.

PC power supply with PFC

Dear Colleagues, I appreciate if you could help me with my problem please. We use PC power supply in our control machine for feeding our motherboard. The end product is intended for EU. I am unable to locate a PC power supply with PFC and all the vendors that I have approached say to me it is

PFC filter

Hello All, I have been told by a customer that there are PFC filter available commercially off the shelf just like the EMI filter that I can buy and put it in front of my power supply and the PFC filter will cure most of the harmonic problems. Is this ture? If so can anyone let me have some

Hipot test AC v DC

Hello group, Could someone explain the followings to me please? 1-When to use DC hipot test in place of AC tester. 2-What are the advantages and disadvantages of AC or DC hipot tester?i.e comparing the two. 3-Is the leakage current trip setting different on AC DC tester? Many thanks Pete

Re: Got a beef with an NRTL ...

Doug, I have used DC-DC power supply with the AC fuse on the PSU in our products many times and have never heard such a saga from an agency. The PSU report will certainly have C of A and in addition to that almost all test houses when testing DC-Dc power supply which is fitted with AC fuse,

Re: Actual requirement or money making scheme?

Brent, I fully agree with you on your assumption. I think that Tania perhaps misunderstood your question. You can have as many amendment to the original CB report as you like. The main thing is that when sending the report to a customer or to another agency, you must ensure that the original

European Directives

Hello and happy New Year to all, Could someone let me know where I can obtain the latest revision of various European directives please? Are they available on www? Thank you Peter - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to

EN55024 EN50082

Hello group, Could someone let me know what is the difference between EN55024 and EN50082 please? It seems to me that both titles are very similar. Any help is appreciated. Thanks Peter Email: peterh...@aol.com - This message is coming from the emc-pstc discussion list. To cancel

Re: EN60950 3rd Edition?

Ron, Below is the latest update that I have been given by a friend who actually sits in the IEC 950 technical committee. I hope this answers your questions. I have just received this. IEC 60950 3rd Edition was published

Military standards

Hello group, I am planning to design a power supply for military use and would like to know what are the applicable standards concerning military equipment for both safety and EMC. Also can someone give me a few examples of military application where power supply are used? Any help is

ITE Standards (2)

Hello All, Thank you for all your responds. Perhaps I should have made my question a bit more clearer. Basically what I am looking for is the list of other safety related standards other than 950 that are applicable to any ITE. i.e is 950 the only standard or are there others as well? Many

ITE standards

Hello group, Can someone let me know the list of all the applicable safety related standards for ITE please? Many thanks Peter - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe

Re: Inquiry on Safety Approval of Linear adapter with switching mode

In a message dated 10/4/99 5:45:36 PM Pacific Daylight Time, sb...@ctlsg.creaf.com writes: Jasmine Jasmine, In the heading of your message you have mentioned both linear as well as switch mode. Can you tell us if this adapter has a linear transformer or a switcher transformer? Thanks

Re: Ground Bond Testers

Brian, I think that you would be able to use a bench type DC power supply which is cable of delivering 100A at low voltage of 12V. Standard does specify AC or DC current. This way, you don't have to have an specific ground tester. Almost all companies have DC power supply that can be used for

Re: PC Power Supply w/ PFC

John, I don't think that you will be able to find many off the shelf PC type power supply that satisfies yourrequirements.i.e with PFC and autorange. In order to keep the cost down, they manufacturers of the PC power supplies avoid PFC which automatically bring the universal input anyway. I

Emission tests of DC-DC

Hello All, I have been given a DC-DC switch mode power supply that uses 48V DC input to test for both emissions and immunity. Can someone let me know if I am correct to assume: 1- Can the same AC version LISN be used for DC-DC product? i.e rather than feeding AC, I can feed 48V DC into the

Re: dc-ac converter

Jim, Let me thank you for your detailed input on this issue. Up to now I was alway under the impression than the dc-ac inverters don't need to comply with any safety standards and recently I purchased one dc-ac (12V car battery to 120V for my portable TV)inverters for my camping holidays from a

Surge immunity

Hello all, Please could someone advise me how to monitor the performance of a component level power supply such as open frame type during a surge immunity test? I.e what instrument is used to observe the output of the power supply during the test? I have been told by an EMI lab that they use

LVD Standards

Hello All, Can someone let me know if I can get the list of LVD standards published in the OJ on the WWW? Many thanks Peter Hays prterh...@aol.com - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single

Grounding of screen room

Hello group, Can someone tell me what is the best method to find out and ensure that a screen room is adequately grounded? I have access to an screen room for conducted emissions, but I am not sure about its grounding. Any hint is appreciated. Thanks Peter Hays - This message is coming