Gert,

You mention that there is a conflict, but you don't explain what the conflict 
is. Can you tell me how the EC definition varies from the definition I quoted 
from EN 55011?

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Doug Nix

d...@mac.com
Mobile: (519) 729-5704

> On Oct 18, 2016, at 13:55, ce-test, qualified testing bv - Gert Gremmen 
> <g.grem...@cetest.nl> wrote:
> 
> There is an on-going (silent) conflict between the European commission and a
> number of  cenelec and cispr committees, notably those responsible
> for EN 55032 and EN 55011.
> While the EC has expressed their opinion in the generic standards,
> and expressed their desire that all product committees comply with
> the definitions and limit therein, the market (standard committees) does not 
> comply to that,
> and the EC lacks power (or will) to change that.
> Therefore the discrepancy between definitions.
> 
> Note that it’s a rather complex matter as the standards are born as Worldwide 
> standards (CISPR) and are “common modified” to EN versions.
> So CISPR11 (world wide) becomes EN 55011 (Europe harmonised)  without
> changing the “Industrial” definition. 
> 
> 
> Regards,
> 
> Ing.  Gert Gremmen, BSc
>  
> 
>  
> g.grem...@cetest.nl
> www.cetest.nl
> 
> Kiotoweg 363
> 3047 BG Rotterdam
> T 31(0)104152426
> F 31(0)104154953
>  
>  Before printing, think about the environment.
> 
> 
> 
> Van: Doug Nix [mailto:d...@ieee.org] 
> Verzonden: dinsdag 18 oktober 2016 18:25
> Aan: EMC-PSTC@LISTSERV.IEEE.ORG
> Onderwerp: Re: [PSES] Criteria for determining industrial vs. non-industrial 
> for EMC testing purposes
> 
> My understanding has always been based on the Class and Group designations in 
> CISPR 11 / EN 55011 for ISM equipment (based on the 2009 edition):
> 
> 5.3 Division into classes
> Class A equipment is equipment suitable for use in all establishments other 
> than domestic and
> those directly connected to a low voltage power supply network which supplies 
> buildings used
> for domestic purposes.
> 
> Class A equipment shall meet class A limits.
> Warning: Class A equipment is intended for use in an industrial environment. 
> In the
> documentation for the user, a statement shall be included drawing attention 
> to the fact that
> there may be potential difficulties in ensuring electromagnetic compatibility 
> in other
> environments, due to conducted as well as radiated disturbances.
> Class B equipment is equipment suitable for use in domestic establishments 
> and in
> establishments directly connected to a low voltage power supply network which 
> supplies
> buildings used for domestic purposes.
> Class B equipment shall meet class B limits.
> 
> The key in all of this is the source of power supply for the equipment. If 
> the equipment is supplied from mains that are shared with domestic 
> establishments, then it must meet Class B requirements IMO.
> 
> If the equipment is intended for industrial use, i.e., Class A, where the 
> power supply from the mains is not shared with domestic establishments, then 
> Class A performance is acceptable.
> 
> The deciding factor is the sharing of the supply with domestic 
> establishments. If a location is fed from its own substation and there are no 
> dwellings supplied from that substation, it’s an industrial location, and 
> therefore Class A.
> 
> Doug Nix
> d...@ieee.org
> +1 (519) 729-5704
> 
> On 18-Oct-16, at 08:44, Kortas, Jamison <jamison.kor...@ecolab.com> wrote:
> 
> Good Morning,
>  
> What do you use for criteria when reviewing the intended environment in which 
> a device will be placed to determine if it is industrial or non-industrial? I 
> have seen and read varying opinions on what criteria to use.
>  
> It ranges from a transformer isolated factory to the nature of the other 
> products in the immediate vicinity (a mechanical room in a grocery store = 
> industrial due to the equipment in its immediate environment).
>  
> I am familiar with some of the definitions in places, but am not so sure that 
> those are what are typically followed in practice.
>  
> I appreciate any thoughts. 
>  
> Thank you.
>  
>  
> -
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