I read in !emc-pstc that Crabb, John
wrote (in <1D4B655D707B2549AFCD8C686631657508AC2BC2@SGBDUN200>) about
'LCD Displays and Safety' on Tue, 9 Sep 2003:
>I spoke to some committee members who seemed to think it was
>included because LCDs couldn't withstand the impact test !
I believe that was
You will have noted in IEC 60950-1 Clause 4.2.5 Impact Test, that it states
"the test is not applied to flat panel displays or to the platen glass of
equipment (for example, copying machines)".
The waiver for flat panel displays appeared in the third edition of IEC
60950 - some time ago I trawled
From: duncan.ho...@snellwilcox.com
Date sent: Fri, 24 Sep 1999 17:22:50 GMT
To:
Subject:LCD Displays
Send reply to: duncan.ho...@snellwilcox.com
>
> I have a product that has an LCD display with an Inverter that operate
Hi John:
> Rich, you said below "Assuming you are using IEC 60950, a fire
> enclosure is required for any circuit exceeding the limits of ELV,
> independent of available current or power."
>
> Why did you mention "exceeding the limits of ELV" ?Surely specific
> compon
Gary
-Original Message-
From: Ing. Gert Gremmen [mailto:cet...@cetest.nl]
Sent: Sunday, September 26, 1999 12:53 AM
To: duncan.ho...@snellwilcox.com; emc-p...@majordomo.ieee.org
Subject: RE: LCD Displays
Importance: High
Hello Duncan and group,
If your equipment is in the scope of EN
tland.ncr.com
Tel: +44 (0)1382-592289 (direct ). Fax +44 (0)1382-622243. VoicePlus
6-341-2289.
> -Original Message-
> From: Rich Nute [SMTP:ri...@sdd.hp.com]
> Sent: 24 September 1999 19:27
> To: duncan.ho...@snellwilcox.com
> Cc: emc-p...@majordomo.ieee.org
> Sub
Hello Duncan and group,
If your equipment is in the scope of EN 60950 (IEC 60950) or UL 950,
than it depends of the power source feeding it
The matters around FIRE ENCLOSURES are dealt with in paragraph 4.4.5
No Fire enclosure required for
Par 4.4.5.2 3th components in a SECONDARY CIR
Hi Duncan:
> I have a product that has an LCD display with an Inverter that operates at
> 100Khz 2KV and I believe is capable of supplying 6.5mA The question is does
> it
> require a fire enclosure?
Assuming you are using IEC 60950, a fire enclosure is
required for any circuit exceedi
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