: john.al...@uk.thalesgroup.com; emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
Hi Tania:
I hate to call you an old-timer;-- I would rather state that you might be
thinking of UL 114 and UL478 standards that are no longer in force. B
ut I don't believe that even
To: Allen, John john.al...@uk.thalesgroup.com,
emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
Date: Thu, 17 May 2001 15:58:02 -0700
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of redesigning completely the stated equipment and
making it Class II, there is no way that a 2-pin plug would be legal (or sane).
taniagr...@msn.com
- Original Message -
From: Allen, John
Sent: Thursday, May 17, 2001 8:13 AM
To: emc-p...@majordomo.ieee.org
Subject: RE: US Mains Plug/Earthing
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting to USA?... or can it
be supplied without a plug, putting the requirement on the user
to follow the instructions - in my case, stating that
a grounding plug must be used ?
There are two answers:
: Thursday, May 17, 2001 12:03 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
Thank you for all your comments.
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting to USA?... or can it
be supplied without a plug, putting the requirement
Mains Plug/Earthing
Thank you for all your comments.
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting to USA?... or can it
be supplied without a plug, putting the requirement on the user
to follow the instructions - in my case, stating that
a grounding plug
!).
John Allen
Thales Defence Communications Division
Bracknell, UK
-Original Message-
From: Crabb, John [mailto:jo...@exchange.scotland.ncr.com]
Sent: 17 May 2001 09:44
To: 'Enci'; emc-p...@majordomo.ieee.org
Subject: RE: US Mains Plug/Earthing
I don't know if you have to fit a plug, but I
-Original Message-
From: Enci [mailto:e...@cinepower.com]
Sent: Thursday, May 17, 2001 9:03 AM
To: emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
Thank you for all your comments.
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting
...@cinepower.com]
Sent: 17 May 2001 08:03
To: emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
Thank you for all your comments.
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting to USA?... or can it
be supplied without a plug, putting the requirement
Enci,
Be careful! If you are providing him with a two blade attachment plug, make
sure your product is designed to meet the double insulation requirements and
provide him with the double-insullated square within a square symbol. If
product is ITE, double insulation requirements are part of the
Thank you for all your comments.
Do EU manufacturers have to fit a suitable mains plug
to appliances when exporting to USA?... or can it
be supplied without a plug, putting the requirement on the user
to follow the instructions - in my case, stating that
a grounding plug must be used ?
Thank
with the appropriate NRTL mark.
Tania Grant
taniagr...@msn.com
- Original Message -
From: acar...@uk.xyratex.com
Sent: Wednesday, May 16, 2001 2:15 PM
To: Enci
Cc: emc-p...@majordomo.ieee.org
Subject: Re: US Mains Plug/Earthing
If the equipment is for work place use you have the OSHA requirements
If the equipment is for work place use you have the OSHA requirements
for it to be NRTL listed. Which will mean it must meet a standard
(ANSI/UL/IEC etc) and hence need an earthed plug. Then the National
Electric Code, requires all equipment plagued into the domestic supply
to be NRTL listed, so
Hmmm . . . you didn't specify the category of equipment, but
from the perspective the UL standard 1950 (ITE) Clause 1.2.4.1 defines
Class I equipment as:
Equipment where protection against electric shock is achieved by:
a) using BASIC INSULATION, AND also
b) providing a means of connecting the
I am in the UK, a customer in USA wants us to fit
2 pin mains plugs to the Class 1 appliances he
is going to be buying from us.
He is very firm that there are no regulations in US
that requires this to be so. Is that true?
The simple answer is that there is no regulation
Enci,
Simply put, any electrical appliance marketed in the U.S. should
conform to UL standards. You did not state what type of product this
is, so I cannot say what standards apply. However, in general, I would
be very surprised if any UL standard permitted a two wire plug on a
Class 1
Your customer is misinformed and nuts! Why would anyone want to endanger his
customers? The short answer is that the National Electrical Code which is
adopted virtually everywhere in the US requires equipment to be Listed. And
you can be virtually assured that no agency is going to List that
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