I read in !emc-pstc that Lou Aiken wrote (in
<002701c2b402$6a322280$218066d1@default>) about 'strange symbols (to me
anyway)' on Sat, 4 Jan 2003:
>John, I didn't word that part very well.
>
>I don't know when the "indoor use only" SYMBOL came into use; that could be
>recently.
>
>I should have sa
I read in !emc-pstc that Ronald R. Wellman wrote
(in <5.1.0.14.2.20030104081733.009f2...@pop.registeredsite.com>) about
'strange symbols (to me anyway)' on Sat, 4 Jan 2003:
>Many safety standards are now making reference to
>IP numbers, so this "for indoor use" marking is unnecessary by present
Hello Lou and Rich,
Thanks for investigating this. It appears that we are living with a very
old German standard that can be better replaced by using IEC 60529 for
Ingress Protection (IP). Many safety standards are now making reference to
IP numbers, so this "for indoor use" marking is unneces
John, I didn't word that part very well.
I don't know when the "indoor use only" SYMBOL came into use; that could be
recently.
I should have said the only justification I could find for using it, to
satisfy a requirement in a standard, was eliminated in CEE transformer
standards about 40 years a
I read in !emc-pstc that Lou Aiken wrote (in
<002c01c2b3b9$77154700$8e8066d1@default>) about 'strange symbols (to me
anyway)' on Sat, 4 Jan 2003:
>My guess is that the symbol came into use (due to the
>translation requirement) and is still alive today even though the
>requirement for it disappea
For what it is worth I did a little research tonight.
I have a copy of VDE 0550 part 1, dated 3.59. :
It makes no mention of the indoor use only symbol. But is does show
classifications for different types of enclosures using the water drop
markings. The "Protected Type" meaning with an encl
John Barnes wrote on 01/04/03 07:55 AM
> If you go tohttp://www.cellotape.com/contents.pdfpage 9, is
> symbol 139 the one that is on your wireless unit?
Dear all,
Now we are getting somewhere. Thanks John for pointing a symbol that does
finally somewhat fit the bill (description).
AFAI
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