Re: [PSES] Safety design of shutter opening

Also used in Malta and Cyprus (even in “Turkish” Northern Cyprus IIRC!) – and then there is Gibraltar. John E Allen W. London, UK From: John Mcauley [mailto:john.mcau...@cei.ie] Sent: 16 July 2018 01:03 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Safety design of shutter opening

Re: [PSES] EN62311 - Human Exposure to Electromagnetic Fields

Ghery "Thanks" for that link - seems like we should all stop drinking/using WATER. Then just die of thirst and/or malnutrition and/or illness due to lack of basic hygiene! ;) Just goes to "show" that almost EVERYTHING (including thus EMF!), in "life" comes with "risks" - but didn't we all

[PSES] FW: [PSES] EN62311 - Human Exposure to Electromagnetic Fields

In other words, become an "aquaphibian" (or something like that :) ) – “back to the Future” J -Original Message- From: Brian O'Connell [mailto:oconne...@tamuracorp.com] Sent: 05 July 2018 22:04 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] EN62311 - Human Exposure to

[PSES] Battery Safety Expert

Hi, We’re looking for a battery safety expert to join us on a project. They need to be very current on high performance lithium-ion packs as the current best practices lead the standards a bit. Please contact me directly. Best Regards, John John Allen Product Safety Consulting, Inc

Re: [PSES] Medical device risk assessment - faulty chargers

Rich Steps 1 to 4 are perfectly “sensible” but one needs to formalize the analysis – and methods like doing a Failure Modes Effects Criticality Analysis (FMECA) are not that “simple” when one has to do it in sufficient detail to prove the point (“been there, done that”)! John E Allen

Re: [PSES] Mains Conducted rf emissions measurements

Have you tried to isolate the original source of the noise - and then to supress that? John E Allen W. London, UK From: McBurney, Ian [mailto:ian.mcbur...@allen-heath.com] Sent: 26 April 2018 11:33 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Mains Conducted rf emissions measurements

[PSES] Functional Safety Expert

Hi, We're in need of a Functional Safety expert to join our project. Please respond directly to me. Best Regards, John jral...@productsafetyinc.com - This message is from the IEEE Product Safety Engineering Society

Re: [PSES] safety test equipment

Brian Commiserations on yourself "no longer needed" (really?) - but I hope/am sure that you will soon find a more-realistic company with a rewarding position J. John E Allen W. London, UK PS: I can say, with relative certainty, that before retiring a few years ago, I had "been

Re: [PSES] CE marking - mixture of responsibilities

Head in hands - and liability insurance paper in back pocket (hopefully)! From: James Pawson (U3C) [mailto:ja...@unit3compliance.co.uk] Sent: 30 August 2018 13:18 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] CE marking - mixture of responsibilities Charlie, John, thanks for the

Re: [PSES] TRF Verdicts

FWIW, I was always deeply skeptical of the “(Pass, Fail, N/A)” criteria in the TRF’s because those were, and generally still are, almost totally dependent on “the eye of the beholder”, i.e. whoever does the compliance assessment! An (absolutely terrible!) example of that was what I found (in a

Re: [PSES] Japanese manis leads

Tom Ref those 200V products: are they single phase 2-wire (Neutral + Live) + Ground, OR split-phase (100V on each of 2 Live legs) + Neutral return? (IIRC, it is the latter - probably introduced as a result of North American influence where that configuration is common for high consumption

Re: [PSES] Japanese manis leads

: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Japanese manis leads John, On Fri, 7 Dec 2018 14:40:26 -, "John Allen" wrote: > Ref those 200V products: are they single phase 2-wire (Neutral + Live) + > Ground, OR split-phase (100V on each of 2 Live legs) + Neutral

Re: [PSES] How to lose another million dollars

"Been there, seen that" OH SO many times ! L Emphasises the need for a defined "cradle to grave" Project Lifecycle which includes the Project Compliance targets at each stage, and with the responsibilities laid out in some detail so that progress can be accurately forecast and monitored - and

Re: [PSES] phishing e-mail from an old account of yours?

I've had several probably "nasty" emails from sources that appeared to have spoofed some of the email addresses used by myself and several people that I know, but please don't confuse me with John R Allen of Product Safety Inc. FWIW, I don't think the data breach in question was specific to

Re: [PSES] Mexico compliance approval for IT equipment

Don't forget NAFTA-related issues (especially in the "DJT Wall" context!) as Mexico probably cannot afford to be "too liberal" in what it can accept with the minimum of "bureaucratic rules" whilst still trying to protect its in-house labs & certification bodies as far as it legally can! John E

Re: [PSES] Type F receptacle wiring

Doug As I am sure that many others will confirm, that CEE 7 socket does NOT have any defined polarity for the Live/Line and Neutral contact tubes, and thus the Line/Live and Neutral wires to those contact tubes can & are connected either way around according to the “wim” of the installer –

Re: [PSES] Type F receptacle wiring

anyone here know? Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK On 2019-02-22 20:23, John Allen wrote: John Regardless of whether or not a CEE 7 plug is (and, apart from that particular version of the CEE 7 plug, almost, if not all

Re: [PSES] Type F receptacle wiring

ible in France and Belgium. Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK On 2019-02-22 18:13, John Allen wrote: Doug As I am sure that many others will confirm, that CEE 7 socket does NOT have any defined polarity for the Live/

Re: [PSES] Intro to Safety

Safety and Compliance https://ewh.ieee.org/soc/pses/index.html John Allen | President | Product Safety Consulting, Inc. Your Outsourced Compliance Department® 630-238-0188 www.productsafetyinc.com<http://www.productsafetyinc.com/> Although PSC maintains the highest level of

Re: [PSES] Tamper-proof Hardware

IMHO, the subject of “tamper-proofing devices” will be around for a “long time” because, once a “new” device is introduced, then “someone” will (pretty soon!) come up with a “workaround” – it’s just a case of when the workaround becomes available, and then when will someone find and use it, and

Re: [PSES] Tamper-proof Hardware

upt dealings, especially in order to influence improperly (usually followed by with ) The example provided by John Allen (UK) is not tampering as he did not take the unit apart for any of the above reasons. Using the above definitions, the reasons for using any “tamperproof” construct

Re: [PSES] Tamper-proof Hardware

. John E Allen W. London, UK From: John Woodgate [mailto:j...@woodjohn.uk] Sent: 09 April 2019 09:40 To: John Allen; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Tamper-proof Hardware I think that the major point is that Clause 0 is purely advisory. It seems reasonable

Re: [PSES] Exemptions from UK Plugs and Sockets Regulations

An interesting question, and, from the text of Schedule 1, I would guess that these are technically excluded (though, for why, I have no idea). In addition, that same exclusion would appear to include all the power line comms devices which use the mains supply network and also any BS1362

Re: [PSES] Tamper-proof Hardware

ld never have been included in the first place. John E Allen W. London, UK From: John Woodgate [mailto:j...@woodjohn.uk] Sent: 09 April 2019 09:40 To: John Allen; EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Tamper-proof Hardware I think that the major point is that Cl

Re: [PSES] Frequency range for conducted emissions

An “easy one” for us “oldies” but I’m sure that John Woodgate will quickly reply “in detail” – the frequency limit relates directly to the “old” Long Wave” frequency band, which starts at 150kHz! J John E Allen W. London, UK From: 06cee064502d-dmarc-requ...@ieee.org

Re: [PSES] Product safety leading edge

And don’t forget about the work on mobile robots -R15.08 American National Standard for Industrial Mobile Robots and Robot Systems Best Regards, John John Allen Product Safety Consulting, Inc www.productsafetyinc.com<http://www.productsafetyinc.com> On Jul 27, 2019, at 10:08 PM, Richar

Re: [PSES] fire enclosure requirements for small Lithium battery

Which is possibly why there a "few" phone fires, especially when charged from the host of "cr*p"/dangerously poor 3rd-party chargers that are widely available (I am very careful with both the phones and the chargers that - occasionly, every 3-4 years - I buy). John E Allen W. London, UK

Re: [PSES] Grounding of metal cabinet

Ted Just a very minor clarification regarding appliance couplers – non-filtered ones don’t provide direct Ground connections to the chassis. Obvious I know, but could be overlooked. John E Allen W. London, UK From: Ted Eckert [mailto:07cf6ebeab9d-dmarc-requ...@ieee.org] Sent: 24

Re: [PSES] 80/80 rule

Quick search on “80/80 rule history” yields (for a start!): “It was named after it's founder, the Italian economist Vilfredo Pareto, back in 1895. He noticed that people in society seemed to divide naturally into what he called the “vital few,” or the top 20 percent in terms of money and

Re: [PSES] 80/80 rule

and Associates www.woodjohn.uk Rayleigh, Essex UK On 2019-11-18 20:02, John Allen wrote: Quick search on “80/80 rule history” yields (for a start!): “It was named after it's founder, the Italian economist Vilfredo Pareto, back in 1895. He noticed that people in society seemed to divide naturally

Re: [PSES] Capacitor Friday question

Yup Old electrolytics need “time” and, IIRC, a gradually increasing voltage to reform before one applies the “full voltage”! I’ve probably told this story before, but, when at school “some decades” ago I built a valve/tube oscillator from stuff in a “junk pile” that I had bought from

[PSES] CODEBOOK DOWNLOAD

? Thanks, John Allen PSC - USA - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to All emc-pstc postings are archived and searchable

Re: [PSES] CODEBOOK DOWNLOAD

Thanks John! Here's the link to the subject site - https://codebookdownload.com/ Best Regards, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsourced Compliance Department(r) 630-238-0188 John Allen-Past President - IEEE Product Safety Engineering Society

Re: [PSES] CODEBOOK DOWNLOAD

Thanks Derek!! If you have any questions, please don't hesitate to contact me. Best Regards, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsourced Compliance Department® 630-238-0188 www.productsafetyinc.com<http://www.productsafetyinc.com/> John

Re: [PSES] [EXTERNAL] Re: [PSES] act of God versus safety

Rich, et al AH, now you are getting to the “specifics” J Whilst I (and many others!) are very well aware of all those other “contributory factors” (some of which I also outlined to SWMBO’s friend’s partner!), I didn’t want to “go into that level of detail” in my initial post >From

Re: [PSES] [EXTERNAL] Re: [PSES] act of God versus safety

John W & Friends Earlier this afternoon, we were visiting a friend of my wife and her partner – and, later during a general conversation, the latter and I got around to “risk assessment” (in the context of the Grenfell tower block fire disaster a couple of years ago), and so I outlined to

Re: [PSES] [EXTERNAL] Re: [PSES] act of God versus safety

Typo in the email below: - see highlighted words! L From: John Allen [mailto:john_e_al...@blueyonder.co.uk] Sent: 30 December 2019 21:24 To: 'John Woodgate'; 'EMC-PSTC@LISTSERV.IEEE.ORG' Subject: RE: [PSES] [EXTERNAL] Re: [PSES] act of God versus safety John W & Friends Ear

Re: [PSES] UL Listed Fuse vs Recognized

ternal to a device where they are within a fire enclosure and only accessible to service personnel. This is a bit of an oversimplification, but I hope it helps clear it up a little. Regards, Ted Eckert The opinions expressed do not necessarily reflect those of my employer or UL. From:

Re: [PSES] UL Listed Fuse vs Recognized

This is great information, thank you Scott. And thanks to everyone else who guided an old school compliance guy - We’re always learning!! Be safe out there, John From: Scott Aldous Sent: Tuesday, May 12, 2020 10:47 AM To: John Allen Cc: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] UL

[PSES] UL Listed Fuse vs Recognized

Hi, I hope everyone is good, healthy and being safe. Does anyone have an accurate explanation of how a fuse can be UL Listed vs UR? A fuse cannot stand alone as with other UL Listed products. UL categories are JDYX, JDYX2 Thank you and Be Safe, John -

[PSES] Engineering Manager Position Available

ed in many product categories and have managed engineers give me a call to discuss the opportunity. If you have any questions, please don't hesitate to contact me. Best Regards, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsourced Compliance Department(r) 630-238-0

Re: [PSES] [EXTERNAL] Re: [PSES] electric shock from capacitor discharge

I believe most Standards that have a requirement regarding it, require bleed off within 60 seconds. From: Pete Perkins <0061f3f32d0c-dmarc-requ...@listserv.ieee.org> Sent: Wednesday, September 30, 2020 10:48 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] [EXTERNAL] Re: [PSES] electric

Re: [PSES] Will 5G Be Bad for Our Health?

Very well put Dan. Where in the risk assessment does it talk about “prudent avoidance”? A toaster is hot and has uninsulated live parts accessible while energized with a known shock hazard. Have a nice weekend!! Best Regards and Be Safe, John John Allen President & CEO Product Sa

[PSES] IEEE International Symposium on Product Compliance Engineering (ISPCE) 2022 - Call for Papers

Hi, The Call for Papers for ISPCE 2022 is here. The deadline is April 13th. If you will be presenting in the Compliance 101 Track, please also contact me as I'm Chairing the Track. https://2022.psessymposium.org/ Best Regards and Be Safe, John John Allen | President & CEO | Pro

Re: [PSES] NRTL Marks on Industrial Pump Assemblies

they’ll get it into compliance. I hope that helps. Best Regards and Be Safe, John John Allen President & CEO Product Safety Consulting, Inc www.productsafetyinc.com On Jul 7, 2022, at 8:53 AM, Lauren Crane <1afd08519f18-dmarc-requ...@listserv.ieee.org> wrote:  [EXTERNAL

[PSES] Wearables and UL 62368 vs UL 964 Electrically Heated Bedding

to Wearables that are made of fabric?? Wearable Technology Standards: * Wellness or Non-Medical Wearable: IEC/UL 62368-1 https://www.ul.com/services/wearable-technology-testing-and-certification I would appreciate any input you can provide. Best Regards and Be Safe, John John Allen

[PSES] ISPCE 2023

Hi everyone, ISPCE 2023 is in Dallas, TX May 1-3 - https://2023.psessymposium.org/. I am Chairing the Compliance 101 Track again. If you considering a paper or presentation let me know. Papers and Presentation are due February 15th. Best Regards and Be Safe, John John Allen | President

Re: [PSES] Maintaining UL Label when Modifying Electrical Enclosures in the Field

is the function of the push button switch? 2. Why are you removing it? 3. What is the switch rated? If needed Field Evaluation and Labeling can be done and will confirm if your changes are in compliance. Best Regards and Be Safe, John John Allen | President & CEO | Product Safety Consulting,

[PSES] Functional Safety

Hi everyone, We are in need of a Functional Safety consultant for contract work. Please reply as appropriate. If you have any questions, please don't hesitate to contact me. Best Regards and Be Safe, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsou

Re: [PSES] Ferrules

-5VA/B minimum for permanently connected (to the building) products. Many Standards also have a flame spread test requirement if the part is of a certain size. Best Regards and Be Safe, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsourced Compliance Department®

[PSES] Lithium Button Cell Battery - NRTL markings

t possible the UR mark is on the Bulk packaging that the on-line supplier would have? Best Regards and Be Safe, John John Allen | President & CEO | Product Safety Consulting, Inc. Your Outsourced Compliance Department(r) 630-238-0188, Cell: 630-330-3145 [cid:image001.jpg@01D

Re: [PSES] Couple of loosely related safety questions

Thank you, Rich! Over 240 have already registered for ISPCE 2024! This is the place to be for all Product Safety and Certifications knowledge transfer and networking - https://2024.psessymposium.org/. Best Regards and Be Safe, John John Allen | President & CEO | Product Safety Consul

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