At the risk of offending, this is discussion is mostly
academic (for the US). By this I mean, I looked up the
applicable standards on UL's web site and though there was
one surprising answer (surprising to me), they were the
correct answers for the US, unless some additional product
information
Several others have questioned which standard was being applied.
However, when in a situation like what you described, the best way
to (hopefully) answer your questions is to state show me when the
tech tells you that is the way it is done.
If he / she cannot provide the standard which defines
hehehe
oh man, and it isnt even April 1st.
At 12:48 14/07/2003 -0600, brent.dew...@us.datex-ohmeda.com wrote:
I don't think I'd go back to that test house! What the technician did was
both wrong and potentially dangerous. The closest test method to this that
I know of was under the
I read in !emc-pstc that Boris Yost y...@rainbowdisplays.com wrote (in
cmecjbngiaaelbblloingeomjaaa.y...@rainbowdisplays.com) about
'Conducted emissions--green wire?' on Mon, 14 Jul 2003:
I recently watched a conducted emissions test.
Which standard was being applied? They don't all require
You don't say, but I assume that the test set-up is CISPR 22 or ANSI C63.4
or some variant thereof. If it is in fact a test on equipment that mounts
in a vehicle, then my answer would be quite different.
Tabletop mounted equipment mounts 80 cm above ground on a non-conductive
standoff.
I don't think I'd go back to that test house! What the technician did was
both wrong and potentially dangerous. The closest test method to this that
I know of was under the old VDE 0871 regulation in which a 50 ohm-50
microhenry network was inserted into the protective earth to lift the
lead
All -
It appears CSA is taking a different tack from UL with
regard to implementation of the Bi-National Standard, CSA
22.2 No. 60950-1/UL60950-1.
I have received a paper copy of a CSA Notice, Information
Technology and Business Equipment No. 11 (Supercedes CSA
Informs Information Technology
Dear Listers:
I recently watched a conducted emissions test. Said test technician
connected Line to a LISN, Neutral to a LISN, and ground got stuck in a piece
of foam to keep it from touching anything. This bothered me and I
questioned this. However, according to said test technician,
Morning folks,
At the risk of mentioning names... I was informed that Intel made a very quiet
Motherboard But I've gone and lost the darned e-mail with the details!
Can the person who told me this resend the e-mail?
Very sorry to everyone else,
Thanks,
Derek N. Walton
Owner L F Research
I read in !emc-pstc that Kevin Richardson kevin.richard...@ieee.org
wrote (in nebbihdflagbliikmlbkoeplebaa.kevin.richard...@ieee.org)
about 'Professional Lighting Control Console - the Americas' on Mon, 14
Jul 2003:
John, thank you for the confirmation for Europe.
Have you had any experience with
I want to thank everyone who responded to my plea for certification in Brazil.
This collective group represents a wealth of information and experience that
is world class.
Best regards to all.
Michael Taylor - Colorado
I am having trouble confirming the present EMC requirements in Argentina for
electrical/electronic equipment.
I understand there are none. Can anyone please confirm that please?
Does anyone know if they plan to introduce requirements and if so when?
As always, any help greatly appreciated.
John, thank you for the confirmation for Europe.
Have you had any experience with certification requirements for equipment of
this type in the USA or Canada?
Would you agree UL1950 or UL60950 for the USA and C22.2 No 14-M91 for Canada
appropriate as Peter Tarver suggests?
It would appear from the
Hi Michael,
find my comments below...
QUESTIONS:
1. Are the current certifications adequate, or are additional certifications
specific
to Brazil required for the RF module. ???
EU or US/Canada certification are not enough to sell the product or the module
in Brazil. The equipment requires
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