nt: Friday, June 2, 2017 8:02 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Min size of double insulation symbol relaxed
I believe UL adds 'Special National Conditions' or something to the IEC
standards it adopts, just as Europe adds 'Common Modifications'.
With best wishes DESIGN IT IN!
.
-Original Message-
From: Scott Xe [mailto:scott...@gmail.com]
Sent: 02 June 2017 15:17
To: John Woodgate <jmw1...@btinternet.com>; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Min size of double insulation symbol relaxed
Hi John,
No, I did not. As far as I remember, UL adopts/harmonis
aeternum manent.
-Original Message-
From: Scott Xe [mailto:scott...@gmail.com]
Sent: 01 June 2017 17:19
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Min size of double insulation symbol relaxed
Hi Peter,
Thanks for your advice! I read the previous 60056
E.ORG>
Subject: RE: [PSES] Min size of double insulation symbol relaxed
Hello Scott,
I believe that there are some product specific standards with the dimensional
requirement you mention. IEC 61347-2-13:2009 Annex I section I.4 includes the
text you reference. However, this only appli
...@gmail.com]
Sent: 01 June 2017 17:19
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Min size of double insulation symbol relaxed
Hi Peter,
Thanks for your advice! I read the previous 60056/60950-1/60335-1 standards
back to 199x and still could not trace the following requirements.
The dimensions
n size of double insulation symbol relaxed
Hi Peter,
Thanks for your advice! I read the previous 60056/60950-1/60335-1 standards
back to 199x and still could not trace the following requirements.
The dimensions of the symbol for Class II construction shall be such that the
length of the
Hi Peter,
Thanks for your advice! I read the previous 60056/60950-1/60335-1 standards
back to 199x and still could not trace the following requirements.
The dimensions of the symbol for Class II construction shall be such that the
length of
the sides of the outer square is about twice the
Scott -
The CE mark size is mentioned in RED, but not the double insulation symbol. The
LVD implicitly defers to the CE Marking Directive for size.
IEC 60417 doesn't have a symbol size for Symbol 5172. You might need to refer
to the standard used for the product bearing the Symbol 5172 for the
Is the minimum size of 5 mm relaxed to the legible reading in LVD and RED?
Where and when does it introduce?
Thanks and regards,
Scott
-
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