Does this apply to in-house test equipment? That is, equipment that is built
in-house and remains on site? In the past I have designed in-house equipment
to meet the safety standards but did not send the equipment out for testing
and certification.

   Dave


From: Gregg Kervill [mailto:gr...@test4safety.com]
Sent: Tuesday, January 14, 2003 7:50 AM
To: 'Joe P Martin'; emc-p...@majordomo.ieee.org
Subject: RE: NRTL in the U.S.
Importance: High



Joe,

You are correct that NRTL LISTING is a specified requirement by some cities
and states.

You are incorrect in that all products used where OSHA applies are required
to be NRTL LISTED.

NEC Code makes that same requirement

Furthermore most (I have yet to find an exception) cities and states base
their code upon NEC


There may be local exception but I believe that to make a 'blanket statement
that ".. NRTL is not required in the US..." is I believe at best confusing
and at that the worst very dangerous.

The following is a statement from the US NOL:

All electrical equipment, except those kinds which no NRTL accepts,
certifies,
lists, labels, or otherwise determines to be safe, must be "approved", as
that term
is defined at 29 CFR 1910.399. Except as indicated in the following this
means
that a NRTL must accept, certify, label, list, or otherwise determine that
equipment is safe for it to be considered "approved".

The requirement mandating that electrical equipment be "approved" is set
forth at
29 CFR 1910.303(a). Also, OSHA Standard 29 CFR 1910.303(b)(2) requires that
"approved" equipment be used in conformance with its approval.

Electrical equipment which no NRTL accepts, certifies, lists, labels, or
determines to be safe is acceptable to OSHA under the following if the
equipment is inspected or tested by another Federal Agency, or by a State,
municipal, or other local authority responsible for enforcing occupational
safety
provisions of the NEC and found in compliance with the provisions of the NEC
as
applied to Subpart S of 29 CFR 1910 standards.

Custom made equipment which is designed, fabricated for, and intended for
use
by a particular customer does not have to be approved if it is determined to
be
safe for its intended use by its manufacturer. The determination must be
made
on the basis of test data that the employer keeps and makes available to the
Assistant Secretary of Labor for OSHA.

In summary then if there are ten different models of a particular kind of
equipment, but only one of them is accepted, certified, listed, labeled or
otherwise determined to be safe by a NRTL only that one would be considered
to
be "approved"; unless of course it is custom made equipment.

Only those entities that have applied and been approved pursuant to the
requirements of 29 CFR 1910.7 are considered to be a NRTL. Recently the
"Canadian Standards Association" was the first foreign laboratory approved
as
an NRTL. Enclosed find a copy of a directive that discusses NRTLs.


Best regards

Gregg Kervill

Gregg Kervill DipIM, MIMgt, MIEEE
VP Engineering
Test4Safety.com Inc
PO Box 310,
Reedville, VA
22539. USA
Phone  ( 804) 453-3141
Fax        (804) 453-9039
http://www.test4safety.com/


From: owner-emc-p...@majordomo.ieee.org
[mailto:owner-emc-p...@majordomo.ieee.org]On Behalf Of Joe P Martin
Sent: Monday, January 13, 2003 11:22 PM
To: emc-p...@majordomo.ieee.org
Subject: NRTL in the U.S.


Greetings,

As has been discussed in previous threads, NRTL Listing is not a
requirement to sell electronic products in the U.S.  However, there are
cities, counties, etc. within the U.S. that do require NRTL Listing.
These include Los Angeles and Chicago.  Does anyone have a comprehensive
list of all the cities, counties or states that do require NRTL Listing.

Any and all comments are appreciated.

Regards

Joe Martin
Applied Biosystems
marti...@appliedbiosystems.com




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