Nice explanation Pete!

Scott, et al - great questions!  These and many other basic questions get 
answered at the Symposium in the Compliance 101 Track.  Be sure to keep an eye 
out for announcements.


For those who have knowledge to share, the call for papers for the 2017 
Symposium is already out - http://ewh.ieee.org/soc/pses/symposium/index.html.


Be Safe!


John


________________________________
From: Pete Perkins <00000061f3f32d0c-dmarc-requ...@ieee.org>
Sent: Monday, July 25, 2016 12:47 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Safety requirements in US


Scott,



               As a newcomer, you are quite perceptive at asking food questions.



               There has been some discussion of how the responsibilities are 
divided between jurisdictions in the US but there is one common thread in all 
of this.  The US NEC (National Electric Code) has always provided guidance in 
this.  The wording and explanation have changed with time but the intent seems 
the same.



               The NEC applies to Utilization Equipment: Equipment that 
utilizes electrical energy for electronic, electromechanical, chemical., 
heating, lighting or similar purposes.

               And Approved: Acceptable to the AHJ (Authority Having 
Jurisdiction).

               And Labeled: Equipment or materials to which has been attached a 
label, symbol, or other identifying mark of an organization that is acceptable 
to the AHJ  and concerned with product evaluation, that maintains periodic 
inspection of production of labeled equipment or materials, aby by whose 
labeling the manufacturer indicated compliance with appropriate standards or 
performance in a specified manner.



               Organization acceptable to the AHJ has come to mean NRTL 
certifying laboratory.  The NRTL lab certification program is organized by OSHA 
but applies more broadly than the OSHA requirements themselves.



               There are more than a handful off NRTL approved labs (all 
qualified for specific types of equipment); you can see the list on the OSHA 
website along with the details as to their product class certifications.   In 
the US, UL is the 800 lb gorilla in this business but there is vigorous 
competition.  All of these NRTL labs, I believe, work with manufacturers on a 
worldwide basis; their certification label shown proof of compliance with the 
NEC.



               The US safety requirements for products are from ANSI standards. 
 For the products that I most commonly work with UL is important in developing 
the standards and closely works with the US committees as well as the 
corresponding IEC committee, too, as the US is working to harmonize technical 
safety requirements on a worldwide basis for many product groups (e.g. ITE 
62368, Test/Measurement/Process Control 61010, etc.).



               So, I think that your basic understanding is correct.  The 
products have to be certified to a US standard by a NRTL cert lab which does an 
examination/testing of a sample product and, upon successful completion of the 
evaluation, issues a certification (Listing in many cases) then does ongoing 
factory inspections on a regular basis to ensure that the labeled product 
continues to be manufactured in the same way as the product evaluated.



               I hope that this long-winded explanation is helpful to you.



:>)     br,      Pete



Peter E Perkins, PE

Principal Product Safety & Regulatory Affairs Consultant

PO Box 23427

Tigard, ORe  97281-3427



503/452-1201



p.perk...@ieee.org<mailto:p.perk...@ieee.org>



From: Scott Xe [mailto:scott...@gmail.com]
Sent: Monday, July 25, 2016 9:52 AM
To: Pete Perkins <peperkin...@cs.com>; 'Scott Xe' <scott...@gmail.com>; 
EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Safety requirements in US



Hi Peter,



Yes, I have got that feeling.  It is difficult to ask a manufacturer designing 
a product meeting US requirements.  It sounds no certain places to provide such 
information.



What is the exact meaning of NRTL certification?  Is NRTL accredited laboratory 
in the US?  What can they certify a sample or production?  Understand UL listed 
certifies both sample and production.



Sorry for my silly questions as you know I am just a new comer in this area.









From: Pete Perkins <peperkin...@cs.com<mailto:peperkin...@cs.com>>
Date: Monday, 25 July 2016 at 11:55 PM
To: Raymond Li <scott...@gmail.com<mailto:scott...@gmail.com>>, 
<EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>>
Subject: RE: [PSES] Safety requirements in US



Scott,



               There has been quite a bit of discussion here on US 
requirements.  As you can tell there is no ‘overall’ single US requirement that 
covers everything.  The final say is locally for most instances; the local AHJ 
inspectors have local control.   Local inspectors have access to all 
construction – both new construction and substantial remodeling – and must 
approve the final construction, including the electrical installation.   They 
can refuse to accept any unit for attachment to the grid power based upon their 
local laws, rules and understanding, s we have commented previously.  There are 
more than 10k jurisdictions in the USA.  This is confusing to outsiders who are 
looking for a simple solution such as the EU has developed.



               Since you have asked; the best response of manufacturers is to 
provide NRTL certification for their product when it is sold in the USA.



               This is additional effort and, possibly, additional cost since 
there is a finite list of NRTL labs.  Since most NRTLs will also issue a CB 
Report where the requirements are harmonized, I have advised manufacturers to 
obtain both evaluations and reports at the same time for a savings in effort 
and cost.



:>)     br,      Pete



Peter E Perkins, PE

Principal Product Safety & Regulatory Affairs Consultant

PO Box 23427

Tigard, ORe  97281-3427



503/452-1201



p.perk...@ieee.org<mailto:p.perk...@ieee.org>



From: Scott Xe [mailto:scott...@gmail.com]
Sent: Saturday, July 23, 2016 10:31 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: Re: [PSES] Safety requirements in US



Thanks for all your responses!



What is the best practice for the suppliers/importers to demonstrate the 
compliance with relevant requirements?



Scott





From: Ron Wellman <rwell...@wellman.com<mailto:rwell...@wellman.com>>
Reply-To: Ron Wellman <rwell...@wellman.com<mailto:rwell...@wellman.com>>
Date: Sunday, 24 July 2016 at 12:14 AM
To: <EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>>
Subject: Re: [PSES] Safety requirements in US



United States laws are codified in the United States Code (USC). The Code of 
Federal Regulations (CFR) is the implementation of the laws in the USC.



Ron



From: Doug Powell [mailto:doug...@gmail.com]
Sent: Saturday, July 23, 2016 7:38 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: Re: [PSES] Safety requirements in US



Actually, I think FDA, FCC, FTA, USDA, CDC, Homeland Security, etc. all report 
up to the CFR.



Doug





From: Nyffenegger, Dave

Sent: Saturday, July 23, 2016 8:32 AM

To: Doug Powell; EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>

Subject: RE: [PSES] Safety requirements in US




Anything with a laser in it is also governed by FDA regs.  I think the 
objective  is to make it so confusing that no-one can figure it out completely 
and the lawyers will always have something to do.



-Dave



From: Doug Powell [mailto:doug...@gmail.com]
Sent: Saturday, July 23, 2016 10:08 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: Re: [PSES] Safety requirements in US



Ultimately, everything goes up to the Code of Federal Regulations, CFR. These 
are the law of the land.  You can find the regulations that both OSHA and CPSC 
follow there. In turn, each state has their own ‎set of laws, for example in my 
home state are the Colorado Revised Statutes, CRS.



Usually all these can be found online at no charge.



All the best, ‎Doug





From: Kevin Robinson

Sent: Saturday, July 23, 2016 2:47 AM

To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG>

Reply To: Kevin Robinson

Subject: Re: [PSES] Safety requirements in US




Scott,



In the US, the regulations rounds on the type of product and where it will be 
used.  For example:



If the product will be used in the workplace then Osha NRTL regs apply.



If the product will be used in the home or around schools, then CPSC regs apply.



If the product is a medical device then FDA regs apply



Most products fall under multiple regulators as for example, a hospital is both 
a medical space as well as a workplace.  Thankfully, most us regulations 
reference voluntary consensus standards so one round of testing will often 
satisfy all safety regulators.



Kevin Robinson



Get Outlook for iOS<https://aka.ms/o0ukef>



_____________________________
From: Scott Xe <scott...@gmail.com<mailto:scott...@gmail.com>>
Sent: Saturday, July 23, 2016 1:30 AM
Subject: [PSES] Safety requirements in US
To: <emc-pstc@listserv.ieee.org<mailto:emc-pstc@listserv.ieee.org>>





Within EU, most of electrical products are covered by LVD and GPSD.  In US, 
which body, law and standards are responsible for the similar regulatory?

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